86889460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{620639}}^1$

素因数の和:620655

約数の個数: 24

約数和(自身を含む): 208535040

約数和(自身を除く): 121645580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 620639, 1241278, 2482556, 3103195, 4344473, 6206390, 8688946, 12412780, 17377892, 21722365, 43444730, 86889460]

約数ペア:

[(1, 86889460), (2, 43444730), (4, 21722365), (5, 17377892), (7, 12412780), (10, 8688946), (14, 6206390), (20, 4344473), (28, 3103195), (35, 2482556), (70, 1241278), (140, 620639)]