168217940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{764627}}^1$

素因数の和:764647

約数の個数: 24

約数和(自身を含む): 385372512

約数和(自身を除く): 217154572

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 764627, 1529254, 3058508, 3823135, 7646270, 8410897, 15292540, 16821794, 33643588, 42054485, 84108970, 168217940]

約数ペア:

[(1, 168217940), (2, 84108970), (4, 42054485), (5, 33643588), (10, 16821794), (11, 15292540), (20, 8410897), (22, 7646270), (44, 3823135), (55, 3058508), (110, 1529254), (220, 764627)]