1690420540

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{6577}}^1$

素因数の和:6838

約数の個数: 48

約数和(自身を含む): 3620320704

約数和(自身を除く): 1929900164

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 181, 284, 355, 362, 710, 724, 905, 1420, 1810, 3620, 6577, 12851, 13154, 25702, 26308, 32885, 51404, 64255, 65770, 128510, 131540, 257020, 466967, 933934, 1190437, 1867868, 2334835, 2380874, 4669670, 4761748, 5952185, 9339340, 11904370, 23808740, 84521027, 169042054, 338084108, 422605135, 845210270, 1690420540]

約数ペア:

[(1, 1690420540), (2, 845210270), (4, 422605135), (5, 338084108), (10, 169042054), (20, 84521027), (71, 23808740), (142, 11904370), (181, 9339340), (284, 5952185), (355, 4761748), (362, 4669670), (710, 2380874), (724, 2334835), (905, 1867868), (1420, 1190437), (1810, 933934), (3620, 466967), (6577, 257020), (12851, 131540), (13154, 128510), (25702, 65770), (26308, 64255), (32885, 51404)]