401037940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1055363}}^1$

素因数の和:1055391

約数の個数: 24

約数和(自身を含む): 886505760

約数和(自身を除く): 485467820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1055363, 2110726, 4221452, 5276815, 10553630, 20051897, 21107260, 40103794, 80207588, 100259485, 200518970, 401037940]

約数ペア:

[(1, 401037940), (2, 200518970), (4, 100259485), (5, 80207588), (10, 40103794), (19, 21107260), (20, 20051897), (38, 10553630), (76, 5276815), (95, 4221452), (190, 2110726), (380, 1055363)]