388185660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{16981}}^1$

素因数の和:17123

約数の個数: 72

約数和(自身を含む): 1186838016

約数和(自身を除く): 798652356

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 127, 180, 254, 381, 508, 635, 762, 1143, 1270, 1524, 1905, 2286, 2540, 3810, 4572, 5715, 7620, 11430, 16981, 22860, 33962, 50943, 67924, 84905, 101886, 152829, 169810, 203772, 254715, 305658, 339620, 509430, 611316, 764145, 1018860, 1528290, 2156587, 3056580, 4313174, 6469761, 8626348, 10782935, 12939522, 19409283, 21565870, 25879044, 32348805, 38818566, 43131740, 64697610, 77637132, 97046415, 129395220, 194092830, 388185660]

約数ペア:

[(1, 388185660), (2, 194092830), (3, 129395220), (4, 97046415), (5, 77637132), (6, 64697610), (9, 43131740), (10, 38818566), (12, 32348805), (15, 25879044), (18, 21565870), (20, 19409283), (30, 12939522), (36, 10782935), (45, 8626348), (60, 6469761), (90, 4313174), (127, 3056580), (180, 2156587), (254, 1528290), (381, 1018860), (508, 764145), (635, 611316), (762, 509430), (1143, 339620), (1270, 305658), (1524, 254715), (1905, 203772), (2286, 169810), (2540, 152829), (3810, 101886), (4572, 84905), (5715, 67924), (7620, 50943), (11430, 33962), (16981, 22860)]