139017020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{224221}}^1$

素因数の和:224261

約数の個数: 24

約数和(自身を含む): 301354368

約数和(自身を除く): 162337348

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 224221, 448442, 896884, 1121105, 2242210, 4484420, 6950851, 13901702, 27803404, 34754255, 69508510, 139017020]

約数ペア:

[(1, 139017020), (2, 69508510), (4, 34754255), (5, 27803404), (10, 13901702), (20, 6950851), (31, 4484420), (62, 2242210), (124, 1121105), (155, 896884), (310, 448442), (620, 224221)]