290850520

素因数分解:

$2^3\times 5^1\times {\mathrm{2459}}^1\times {\mathrm{2957}}^1$

素因数の和:5427

約数の個数: 32

約数和(自身を含む): 654901200

約数和(自身を除く): 364050680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2459, 2957, 4918, 5914, 9836, 11828, 12295, 14785, 19672, 23656, 24590, 29570, 49180, 59140, 98360, 118280, 7271263, 14542526, 29085052, 36356315, 58170104, 72712630, 145425260, 290850520]

約数ペア:

[(1, 290850520), (2, 145425260), (4, 72712630), (5, 58170104), (8, 36356315), (10, 29085052), (20, 14542526), (40, 7271263), (2459, 118280), (2957, 98360), (4918, 59140), (5914, 49180), (9836, 29570), (11828, 24590), (12295, 23656), (14785, 19672)]