68986460

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{47251}}^1$

素因数の和:47333

約数の個数: 24

約数和(自身を含む): 146859216

約数和(自身を除く): 77872756

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 47251, 94502, 189004, 236255, 472510, 945020, 3449323, 6898646, 13797292, 17246615, 34493230, 68986460]

約数ペア:

[(1, 68986460), (2, 34493230), (4, 17246615), (5, 13797292), (10, 6898646), (20, 3449323), (73, 945020), (146, 472510), (292, 236255), (365, 189004), (730, 94502), (1460, 47251)]