1279062220

素因数分解:

$2^2\times 5^1\times {\mathrm{911}}^1\times {\mathrm{70201}}^1$

素因数の和:71121

約数の個数: 24

約数和(自身を含む): 2689017408

約数和(自身を除く): 1409955188

約数列:

[1, 2, 4, 5, 10, 20, 911, 1822, 3644, 4555, 9110, 18220, 70201, 140402, 280804, 351005, 702010, 1404020, 63953111, 127906222, 255812444, 319765555, 639531110, 1279062220]

約数ペア:

[(1, 1279062220), (2, 639531110), (4, 319765555), (5, 255812444), (10, 127906222), (20, 63953111), (911, 1404020), (1822, 702010), (3644, 351005), (4555, 280804), (9110, 140402), (18220, 70201)]