2019486580

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{409}}^1\times {\mathrm{911}}^1$

素因数の和:1600

約数の個数: 48

約数和(自身を含む): 4271662080

約数和(自身を除く): 2252175500

約数列:

[1, 2, 4, 5, 10, 20, 271, 409, 542, 818, 911, 1084, 1355, 1636, 1822, 2045, 2710, 3644, 4090, 4555, 5420, 8180, 9110, 18220, 110839, 221678, 246881, 372599, 443356, 493762, 554195, 745198, 987524, 1108390, 1234405, 1490396, 1862995, 2216780, 2468810, 3725990, 4937620, 7451980, 100974329, 201948658, 403897316, 504871645, 1009743290, 2019486580]

約数ペア:

[(1, 2019486580), (2, 1009743290), (4, 504871645), (5, 403897316), (10, 201948658), (20, 100974329), (271, 7451980), (409, 4937620), (542, 3725990), (818, 2468810), (911, 2216780), (1084, 1862995), (1355, 1490396), (1636, 1234405), (1822, 1108390), (2045, 987524), (2710, 745198), (3644, 554195), (4090, 493762), (4555, 443356), (5420, 372599), (8180, 246881), (9110, 221678), (18220, 110839)]