1212996920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{61511}}^1$

素因数の和:61568

約数の個数: 64

約数和(自身を含む): 2989483200

約数和(自身を除く): 1776486280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 29, 34, 40, 58, 68, 85, 116, 136, 145, 170, 232, 290, 340, 493, 580, 680, 986, 1160, 1972, 2465, 3944, 4930, 9860, 19720, 61511, 123022, 246044, 307555, 492088, 615110, 1045687, 1230220, 1783819, 2091374, 2460440, 3567638, 4182748, 5228435, 7135276, 8365496, 8919095, 10456870, 14270552, 17838190, 20913740, 30324923, 35676380, 41827480, 60649846, 71352760, 121299692, 151624615, 242599384, 303249230, 606498460, 1212996920]

約数ペア:

[(1, 1212996920), (2, 606498460), (4, 303249230), (5, 242599384), (8, 151624615), (10, 121299692), (17, 71352760), (20, 60649846), (29, 41827480), (34, 35676380), (40, 30324923), (58, 20913740), (68, 17838190), (85, 14270552), (116, 10456870), (136, 8919095), (145, 8365496), (170, 7135276), (232, 5228435), (290, 4182748), (340, 3567638), (493, 2460440), (580, 2091374), (680, 1783819), (986, 1230220), (1160, 1045687), (1972, 615110), (2465, 492088), (3944, 307555), (4930, 246044), (9860, 123022), (19720, 61511)]