31173580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{331}}^1$

素因数の和:634

約数の個数: 48

約数和(自身を含む): 69775776

約数和(自身を除く): 38602196

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 277, 331, 340, 554, 662, 1108, 1324, 1385, 1655, 2770, 3310, 4709, 5540, 5627, 6620, 9418, 11254, 18836, 22508, 23545, 28135, 47090, 56270, 91687, 94180, 112540, 183374, 366748, 458435, 916870, 1558679, 1833740, 3117358, 6234716, 7793395, 15586790, 31173580]

約数ペア:

[(1, 31173580), (2, 15586790), (4, 7793395), (5, 6234716), (10, 3117358), (17, 1833740), (20, 1558679), (34, 916870), (68, 458435), (85, 366748), (170, 183374), (277, 112540), (331, 94180), (340, 91687), (554, 56270), (662, 47090), (1108, 28135), (1324, 23545), (1385, 22508), (1655, 18836), (2770, 11254), (3310, 9418), (4709, 6620), (5540, 5627)]