256412530

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{137119}}^1$

素因数の和:137154

約数の個数: 32

約数和(自身を含む): 533122560

約数和(自身を除く): 276710030

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 374, 935, 1870, 137119, 274238, 685595, 1371190, 1508309, 2331023, 3016618, 4662046, 7541545, 11655115, 15083090, 23310230, 25641253, 51282506, 128206265, 256412530]

約数ペア:

[(1, 256412530), (2, 128206265), (5, 51282506), (10, 25641253), (11, 23310230), (17, 15083090), (22, 11655115), (34, 7541545), (55, 4662046), (85, 3016618), (110, 2331023), (170, 1508309), (187, 1371190), (374, 685595), (935, 274238), (1870, 137119)]