291217540

素因数分解:

$2^2\times 5^1\times {\mathrm{683}}^1\times {\mathrm{21319}}^1$

素因数の和:22011

約数の個数: 24

約数和(自身を含む): 612480960

約数和(自身を除く): 321263420

約数列:

[1, 2, 4, 5, 10, 20, 683, 1366, 2732, 3415, 6830, 13660, 21319, 42638, 85276, 106595, 213190, 426380, 14560877, 29121754, 58243508, 72804385, 145608770, 291217540]

約数ペア:

[(1, 291217540), (2, 145608770), (4, 72804385), (5, 58243508), (10, 29121754), (20, 14560877), (683, 426380), (1366, 213190), (2732, 106595), (3415, 85276), (6830, 42638), (13660, 21319)]