400702940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1821377}}^1$

素因数の和:1821397

約数の個数: 24

約数和(自身を含む): 917974512

約数和(自身を除く): 517271572

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1821377, 3642754, 7285508, 9106885, 18213770, 20035147, 36427540, 40070294, 80140588, 100175735, 200351470, 400702940]

約数ペア:

[(1, 400702940), (2, 200351470), (4, 100175735), (5, 80140588), (10, 40070294), (11, 36427540), (20, 20035147), (22, 18213770), (44, 9106885), (55, 7285508), (110, 3642754), (220, 1821377)]