87630760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{312967}}^1$

素因数の和:312985

約数の個数: 32

約数和(自身を含む): 225336960

約数和(自身を除く): 137706200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 312967, 625934, 1251868, 1564835, 2190769, 2503736, 3129670, 4381538, 6259340, 8763076, 10953845, 12518680, 17526152, 21907690, 43815380, 87630760]

約数ペア:

[(1, 87630760), (2, 43815380), (4, 21907690), (5, 17526152), (7, 12518680), (8, 10953845), (10, 8763076), (14, 6259340), (20, 4381538), (28, 3129670), (35, 2503736), (40, 2190769), (56, 1564835), (70, 1251868), (140, 625934), (280, 312967)]