# -*- coding: utf-8 -*- from collections import defaultdict N = 10000 # 素因数分解 def f(n): res = defaultdict(int) d = 2 while d * d <= n: while n % d == 0: res[d] += 1 n /= d d += 1 if n > 1: res[n] += 1 return res for i in xrange(1, N+1): a = f(i) y = i for k, v in a.items(): while v >= 2: y /= (k * k) v -= 2 x = int((i / y) ** .5) res = '√{0} -> '.format(i) if y == 1: print (res + '{0}').format(x) elif x == 1: print (res + '√{0}').format(y) else: print (res + '{0}√{1}').format(x, y)
# 初心者向け
import math t = [] for i in range(int(math.sqrt(10000)), 1, -1): t.append(i**2) print "√" + str(1) + " -> " + str(1) for r in range(2, 10000 + 1): u = [] if r in t: print "√" + str(r) + " -> " + str(int(math.sqrt(r))) else: x = 1 for w in t: if r % w == 0: r /= w x *= (int(math.sqrt(w))) if x > 1: print "√" + str(r*(x**2)) + " -> " + str(x) + "√" + str(r) else: print "√" + str(r) + " -> " + "√" + str(r)