254604820

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{112657}}^1$

素因数の和:112779

約数の個数: 24

約数和(自身を含む): 539406504

約数和(自身を除く): 284801684

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 112657, 225314, 450628, 563285, 1126570, 2253140, 12730241, 25460482, 50920964, 63651205, 127302410, 254604820]

約数ペア:

[(1, 254604820), (2, 127302410), (4, 63651205), (5, 50920964), (10, 25460482), (20, 12730241), (113, 2253140), (226, 1126570), (452, 563285), (565, 450628), (1130, 225314), (2260, 112657)]