397337360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{709531}}^1$

素因数の和:709551

約数の個数: 40

約数和(自身を含む): 1055783616

約数和(自身を除く): 658446256

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 709531, 1419062, 2838124, 3547655, 4966717, 5676248, 7095310, 9933434, 11352496, 14190620, 19866868, 24833585, 28381240, 39733736, 49667170, 56762480, 79467472, 99334340, 198668680, 397337360]

約数ペア:

[(1, 397337360), (2, 198668680), (4, 99334340), (5, 79467472), (7, 56762480), (8, 49667170), (10, 39733736), (14, 28381240), (16, 24833585), (20, 19866868), (28, 14190620), (35, 11352496), (40, 9933434), (56, 7095310), (70, 5676248), (80, 4966717), (112, 3547655), (140, 2838124), (280, 1419062), (560, 709531)]