291462020

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{106373}}^1$

素因数の和:106519

約数の個数: 24

約数和(自身を含む): 616543704

約数和(自身を除く): 325081684

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 106373, 212746, 425492, 531865, 1063730, 2127460, 14573101, 29146202, 58292404, 72865505, 145731010, 291462020]

約数ペア:

[(1, 291462020), (2, 145731010), (4, 72865505), (5, 58292404), (10, 29146202), (20, 14573101), (137, 2127460), (274, 1063730), (548, 531865), (685, 425492), (1370, 212746), (2740, 106373)]