697450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:91

約数の個数: 48

約数和(自身を含む): 1484280

約数和(自身を除く): 786830

約数列:

[1, 2, 5, 10, 13, 25, 26, 29, 37, 50, 58, 65, 74, 130, 145, 185, 290, 325, 370, 377, 481, 650, 725, 754, 925, 962, 1073, 1450, 1850, 1885, 2146, 2405, 3770, 4810, 5365, 9425, 10730, 12025, 13949, 18850, 24050, 26825, 27898, 53650, 69745, 139490, 348725, 697450]

約数ペア:

[(1, 697450), (2, 348725), (5, 139490), (10, 69745), (13, 53650), (25, 27898), (26, 26825), (29, 24050), (37, 18850), (50, 13949), (58, 12025), (65, 10730), (74, 9425), (130, 5365), (145, 4810), (185, 3770), (290, 2405), (325, 2146), (370, 1885), (377, 1850), (481, 1450), (650, 1073), (725, 962), (754, 925)]