138379400

素因数分解:

$2^3\times 5^2\times {\mathrm{691897}}^1$

素因数の和:691913

約数の個数: 24

約数和(自身を含む): 321732570

約数和(自身を除く): 183353170

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 691897, 1383794, 2767588, 3459485, 5535176, 6918970, 13837940, 17297425, 27675880, 34594850, 69189700, 138379400]

約数ペア:

[(1, 138379400), (2, 69189700), (4, 34594850), (5, 27675880), (8, 17297425), (10, 13837940), (20, 6918970), (25, 5535176), (40, 3459485), (50, 2767588), (100, 1383794), (200, 691897)]