857360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1531}}^1$

素因数の和:1551

約数の個数: 40

約数和(自身を含む): 2279616

約数和(自身を除く): 1422256

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1531, 3062, 6124, 7655, 10717, 12248, 15310, 21434, 24496, 30620, 42868, 53585, 61240, 85736, 107170, 122480, 171472, 214340, 428680, 857360]

約数ペア:

[(1, 857360), (2, 428680), (4, 214340), (5, 171472), (7, 122480), (8, 107170), (10, 85736), (14, 61240), (16, 53585), (20, 42868), (28, 30620), (35, 24496), (40, 21434), (56, 15310), (70, 12248), (80, 10717), (112, 7655), (140, 6124), (280, 3062), (560, 1531)]