2901020

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1987}}^1$

素因数の和:2069

約数の個数: 24

約数和(自身を含む): 6178704

約数和(自身を除く): 3277684

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 1987, 3974, 7948, 9935, 19870, 39740, 145051, 290102, 580204, 725255, 1450510, 2901020]

約数ペア:

[(1, 2901020), (2, 1450510), (4, 725255), (5, 580204), (10, 290102), (20, 145051), (73, 39740), (146, 19870), (292, 9935), (365, 7948), (730, 3974), (1460, 1987)]