2145211775

素因数分解:

$5^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1\times {\mathrm{1307}}^1$

素因数の和:1520

約数の個数: 48

約数和(自身を含む): 3106301184

約数和(自身を除く): 961089409

約数列:

[1, 5, 7, 25, 35, 83, 113, 175, 415, 565, 581, 791, 1307, 2075, 2825, 2905, 3955, 6535, 9149, 9379, 14525, 19775, 32675, 45745, 46895, 65653, 108481, 147691, 228725, 234475, 328265, 542405, 738455, 759367, 1033837, 1641325, 2712025, 3692275, 3796835, 5169185, 12258353, 18984175, 25845925, 61291765, 85808471, 306458825, 429042355, 2145211775]

約数ペア:

[(1, 2145211775), (5, 429042355), (7, 306458825), (25, 85808471), (35, 61291765), (83, 25845925), (113, 18984175), (175, 12258353), (415, 5169185), (565, 3796835), (581, 3692275), (791, 2712025), (1307, 1641325), (2075, 1033837), (2825, 759367), (2905, 738455), (3955, 542405), (6535, 328265), (9149, 234475), (9379, 228725), (14525, 147691), (19775, 108481), (32675, 65653), (45745, 46895)]