219575620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{998071}}^1$

素因数の和:998091

約数の個数: 24

約数和(自身を含む): 503028288

約数和(自身を除く): 283452668

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 998071, 1996142, 3992284, 4990355, 9980710, 10978781, 19961420, 21957562, 43915124, 54893905, 109787810, 219575620]

約数ペア:

[(1, 219575620), (2, 109787810), (4, 54893905), (5, 43915124), (10, 21957562), (11, 19961420), (20, 10978781), (22, 9980710), (44, 4990355), (55, 3992284), (110, 1996142), (220, 998071)]