2888380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{691}}^1$

素因数の和:730

約数の個数: 48

約数和(自身を含む): 6975360

約数和(自身を除く): 4086980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 691, 836, 1045, 1382, 2090, 2764, 3455, 4180, 6910, 7601, 13129, 13820, 15202, 26258, 30404, 38005, 52516, 65645, 76010, 131290, 144419, 152020, 262580, 288838, 577676, 722095, 1444190, 2888380]

約数ペア:

[(1, 2888380), (2, 1444190), (4, 722095), (5, 577676), (10, 288838), (11, 262580), (19, 152020), (20, 144419), (22, 131290), (38, 76010), (44, 65645), (55, 52516), (76, 38005), (95, 30404), (110, 26258), (190, 15202), (209, 13820), (220, 13129), (380, 7601), (418, 6910), (691, 4180), (836, 3455), (1045, 2764), (1382, 2090)]