287564660

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{127241}}^1$

素因数の和:127363

約数の個数: 24

約数和(自身を含む): 609234696

約数和(自身を除く): 321670036

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 127241, 254482, 508964, 636205, 1272410, 2544820, 14378233, 28756466, 57512932, 71891165, 143782330, 287564660]

約数ペア:

[(1, 287564660), (2, 143782330), (4, 71891165), (5, 57512932), (10, 28756466), (20, 14378233), (113, 2544820), (226, 1272410), (452, 636205), (565, 508964), (1130, 254482), (2260, 127241)]