31476860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2153}}^1$

素因数の和:2222

約数の個数: 48

約数和(自身を含む): 71650656

約数和(自身を除く): 40173796

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 340, 430, 731, 860, 1462, 2153, 2924, 3655, 4306, 7310, 8612, 10765, 14620, 21530, 36601, 43060, 73202, 92579, 146404, 183005, 185158, 366010, 370316, 462895, 732020, 925790, 1573843, 1851580, 3147686, 6295372, 7869215, 15738430, 31476860]

約数ペア:

[(1, 31476860), (2, 15738430), (4, 7869215), (5, 6295372), (10, 3147686), (17, 1851580), (20, 1573843), (34, 925790), (43, 732020), (68, 462895), (85, 370316), (86, 366010), (170, 185158), (172, 183005), (215, 146404), (340, 92579), (430, 73202), (731, 43060), (860, 36601), (1462, 21530), (2153, 14620), (2924, 10765), (3655, 8612), (4306, 7310)]