490881080

素因数分解:

$2^3\times 5^1\times {\mathrm{2791}}^1\times {\mathrm{4397}}^1$

素因数の和:7199

約数の個数: 32

約数和(自身を含む): 1105129440

約数和(自身を除く): 614248360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2791, 4397, 5582, 8794, 11164, 13955, 17588, 21985, 22328, 27910, 35176, 43970, 55820, 87940, 111640, 175880, 12272027, 24544054, 49088108, 61360135, 98176216, 122720270, 245440540, 490881080]

約数ペア:

[(1, 490881080), (2, 245440540), (4, 122720270), (5, 98176216), (8, 61360135), (10, 49088108), (20, 24544054), (40, 12272027), (2791, 175880), (4397, 111640), (5582, 87940), (8794, 55820), (11164, 43970), (13955, 35176), (17588, 27910), (21985, 22328)]