1505080

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{197}}^1$

素因数の和:399

約数の個数: 32

約数和(自身を含む): 3421440

約数和(自身を除く): 1916360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 197, 382, 394, 764, 788, 955, 985, 1528, 1576, 1910, 1970, 3820, 3940, 7640, 7880, 37627, 75254, 150508, 188135, 301016, 376270, 752540, 1505080]

約数ペア:

[(1, 1505080), (2, 752540), (4, 376270), (5, 301016), (8, 188135), (10, 150508), (20, 75254), (40, 37627), (191, 7880), (197, 7640), (382, 3940), (394, 3820), (764, 1970), (788, 1910), (955, 1576), (985, 1528)]