155756860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1112549}}^1$

素因数の和:1112565

約数の個数: 24

約数和(自身を含む): 373816800

約数和(自身を除く): 218059940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1112549, 2225098, 4450196, 5562745, 7787843, 11125490, 15575686, 22250980, 31151372, 38939215, 77878430, 155756860]

約数ペア:

[(1, 155756860), (2, 77878430), (4, 38939215), (5, 31151372), (7, 22250980), (10, 15575686), (14, 11125490), (20, 7787843), (28, 5562745), (35, 4450196), (70, 2225098), (140, 1112549)]