129807620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{3023}}^1$

素因数の和:3164

約数の個数: 48

約数和(自身を含む): 289578240

約数和(自身を除く): 159770620

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 113, 190, 226, 380, 452, 565, 1130, 2147, 2260, 3023, 4294, 6046, 8588, 10735, 12092, 15115, 21470, 30230, 42940, 57437, 60460, 114874, 229748, 287185, 341599, 574370, 683198, 1148740, 1366396, 1707995, 3415990, 6490381, 6831980, 12980762, 25961524, 32451905, 64903810, 129807620]

約数ペア:

[(1, 129807620), (2, 64903810), (4, 32451905), (5, 25961524), (10, 12980762), (19, 6831980), (20, 6490381), (38, 3415990), (76, 1707995), (95, 1366396), (113, 1148740), (190, 683198), (226, 574370), (380, 341599), (452, 287185), (565, 229748), (1130, 114874), (2147, 60460), (2260, 57437), (3023, 42940), (4294, 30230), (6046, 21470), (8588, 15115), (10735, 12092)]