256427270

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{457}}^1\times {\mathrm{5101}}^1$

素因数の和:5576

約数の個数: 32

約数和(自身を含む): 504730656

約数和(自身を除く): 248303386

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 457, 914, 2285, 4570, 5027, 5101, 10054, 10202, 25135, 25505, 50270, 51010, 56111, 112222, 280555, 561110, 2331157, 4662314, 11655785, 23311570, 25642727, 51285454, 128213635, 256427270]

約数ペア:

[(1, 256427270), (2, 128213635), (5, 51285454), (10, 25642727), (11, 23311570), (22, 11655785), (55, 4662314), (110, 2331157), (457, 561110), (914, 280555), (2285, 112222), (4570, 56111), (5027, 51010), (5101, 50270), (10054, 25505), (10202, 25135)]