190898680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{681781}}^1$

素因数の和:681799

約数の個数: 32

約数和(自身を含む): 490883040

約数和(自身を除く): 299984360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 681781, 1363562, 2727124, 3408905, 4772467, 5454248, 6817810, 9544934, 13635620, 19089868, 23862335, 27271240, 38179736, 47724670, 95449340, 190898680]

約数ペア:

[(1, 190898680), (2, 95449340), (4, 47724670), (5, 38179736), (7, 27271240), (8, 23862335), (10, 19089868), (14, 13635620), (20, 9544934), (28, 6817810), (35, 5454248), (40, 4772467), (56, 3408905), (70, 2727124), (140, 1363562), (280, 681781)]