87948980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{628207}}^1$

素因数の和:628223

約数の個数: 24

約数和(自身を含む): 211077888

約数和(自身を除く): 123128908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 628207, 1256414, 2512828, 3141035, 4397449, 6282070, 8794898, 12564140, 17589796, 21987245, 43974490, 87948980]

約数ペア:

[(1, 87948980), (2, 43974490), (4, 21987245), (5, 17589796), (7, 12564140), (10, 8794898), (14, 6282070), (20, 4397449), (28, 3141035), (35, 2512828), (70, 1256414), (140, 628207)]