519885020

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{187009}}^1$

素因数の和:187157

約数の個数: 24

約数和(自身を含む): 1099618800

約数和(自身を除く): 579733780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 187009, 374018, 748036, 935045, 1870090, 3740180, 25994251, 51988502, 103977004, 129971255, 259942510, 519885020]

約数ペア:

[(1, 519885020), (2, 259942510), (4, 129971255), (5, 103977004), (10, 51988502), (20, 25994251), (139, 3740180), (278, 1870090), (556, 935045), (695, 748036), (1390, 374018), (2780, 187009)]