291417940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1324627}}^1$

素因数の和:1324647

約数の個数: 24

約数和(自身を含む): 667612512

約数和(自身を除く): 376194572

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1324627, 2649254, 5298508, 6623135, 13246270, 14570897, 26492540, 29141794, 58283588, 72854485, 145708970, 291417940]

約数ペア:

[(1, 291417940), (2, 145708970), (4, 72854485), (5, 58283588), (10, 29141794), (11, 26492540), (20, 14570897), (22, 13246270), (44, 6623135), (55, 5298508), (110, 2649254), (220, 1324627)]