291218510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{139339}}^1$

素因数の和:139376

約数の個数: 32

約数和(自身を含む): 601948800

約数和(自身を除く): 310730290

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 139339, 278678, 696695, 1393390, 1532729, 2647441, 3065458, 5294882, 7663645, 13237205, 15327290, 26474410, 29121851, 58243702, 145609255, 291218510]

約数ペア:

[(1, 291218510), (2, 145609255), (5, 58243702), (10, 29121851), (11, 26474410), (19, 15327290), (22, 13237205), (38, 7663645), (55, 5294882), (95, 3065458), (110, 2647441), (190, 1532729), (209, 1393390), (418, 696695), (1045, 278678), (2090, 139339)]