401375480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{912217}}^1$

素因数の和:912239

約数の個数: 32

約数和(自身を含む): 985195440

約数和(自身を除く): 583819960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 912217, 1824434, 3648868, 4561085, 7297736, 9122170, 10034387, 18244340, 20068774, 36488680, 40137548, 50171935, 80275096, 100343870, 200687740, 401375480]

約数ペア:

[(1, 401375480), (2, 200687740), (4, 100343870), (5, 80275096), (8, 50171935), (10, 40137548), (11, 36488680), (20, 20068774), (22, 18244340), (40, 10034387), (44, 9122170), (55, 7297736), (88, 4561085), (110, 3648868), (220, 1824434), (440, 912217)]