138486800

素因数分解:

$2^4\times 5^2\times {\mathrm{346217}}^1$

素因数の和:346235

約数の個数: 30

約数和(自身を含む): 332715498

約数和(自身を除く): 194228698

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 346217, 692434, 1384868, 1731085, 2769736, 3462170, 5539472, 6924340, 8655425, 13848680, 17310850, 27697360, 34621700, 69243400, 138486800]

約数ペア:

[(1, 138486800), (2, 69243400), (4, 34621700), (5, 27697360), (8, 17310850), (10, 13848680), (16, 8655425), (20, 6924340), (25, 5539472), (40, 3462170), (50, 2769736), (80, 1731085), (100, 1384868), (200, 692434), (400, 346217)]