388934960

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{38281}}^1$

素因数の和:38421

約数の個数: 40

約数和(自身を含む): 911417856

約数和(自身を除く): 522482896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 10160, 38281, 76562, 153124, 191405, 306248, 382810, 612496, 765620, 1531240, 3062480, 4861687, 9723374, 19446748, 24308435, 38893496, 48616870, 77786992, 97233740, 194467480, 388934960]

約数ペア:

[(1, 388934960), (2, 194467480), (4, 97233740), (5, 77786992), (8, 48616870), (10, 38893496), (16, 24308435), (20, 19446748), (40, 9723374), (80, 4861687), (127, 3062480), (254, 1531240), (508, 765620), (635, 612496), (1016, 382810), (1270, 306248), (2032, 191405), (2540, 153124), (5080, 76562), (10160, 38281)]