397376870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{212501}}^1$

素因数の和:212536

約数の個数: 32

約数和(自身を含む): 826207776

約数和(自身を除く): 428830906

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 374, 935, 1870, 212501, 425002, 1062505, 2125010, 2337511, 3612517, 4675022, 7225034, 11687555, 18062585, 23375110, 36125170, 39737687, 79475374, 198688435, 397376870]

約数ペア:

[(1, 397376870), (2, 198688435), (5, 79475374), (10, 39737687), (11, 36125170), (17, 23375110), (22, 18062585), (34, 11687555), (55, 7225034), (85, 4675022), (110, 3612517), (170, 2337511), (187, 2125010), (374, 1062505), (935, 425002), (1870, 212501)]