61297940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{278627}}^1$

素因数の和:278647

約数の個数: 24

約数和(自身を含む): 140428512

約数和(自身を除く): 79130572

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 278627, 557254, 1114508, 1393135, 2786270, 3064897, 5572540, 6129794, 12259588, 15324485, 30648970, 61297940]

約数ペア:

[(1, 61297940), (2, 30648970), (4, 15324485), (5, 12259588), (10, 6129794), (11, 5572540), (20, 3064897), (22, 2786270), (44, 1393135), (55, 1114508), (110, 557254), (220, 278627)]