628954580

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{240059}}^1$

素因数の和:240199

約数の個数: 24

約数和(自身を含む): 1330892640

約数和(自身を除く): 701938060

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 240059, 480118, 960236, 1200295, 2400590, 4801180, 31447729, 62895458, 125790916, 157238645, 314477290, 628954580]

約数ペア:

[(1, 628954580), (2, 314477290), (4, 157238645), (5, 125790916), (10, 62895458), (20, 31447729), (131, 4801180), (262, 2400590), (524, 1200295), (655, 960236), (1310, 480118), (2620, 240059)]