139490

素因数分解:

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

素因数の和:86

約数の個数: 32

約数和(自身を含む): 287280

約数和(自身を除く): 147790

約数列:

[1, 2, 5, 10, 13, 26, 29, 37, 58, 65, 74, 130, 145, 185, 290, 370, 377, 481, 754, 962, 1073, 1885, 2146, 2405, 3770, 4810, 5365, 10730, 13949, 27898, 69745, 139490]

約数ペア:

[(1, 139490), (2, 69745), (5, 27898), (10, 13949), (13, 10730), (26, 5365), (29, 4810), (37, 3770), (58, 2405), (65, 2146), (74, 1885), (130, 1073), (145, 962), (185, 754), (290, 481), (370, 377)]