200389640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{455431}}^1$

素因数の和:455453

約数の個数: 32

約数和(自身を含む): 491866560

約数和(自身を除く): 291476920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 455431, 910862, 1821724, 2277155, 3643448, 4554310, 5009741, 9108620, 10019482, 18217240, 20038964, 25048705, 40077928, 50097410, 100194820, 200389640]

約数ペア:

[(1, 200389640), (2, 100194820), (4, 50097410), (5, 40077928), (8, 25048705), (10, 20038964), (11, 18217240), (20, 10019482), (22, 9108620), (40, 5009741), (44, 4554310), (55, 3643448), (88, 2277155), (110, 1821724), (220, 910862), (440, 455431)]