[26일차][프로그래머스][77884]약수의 개수와 덧셈
def solution(left, right): result = 0 for idx in range(left, right+1): count = 0 for number in range(idx): if idx % int(number+1) == 0: count += 1 if count % 2 == 0: result += idx else: result -= idx return result [26일차][프로그래머스][12922]