85437940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{610271}}^1$

素因数の和:610287

約数の個数: 24

約数和(自身を含む): 205051392

約数和(自身を除く): 119613452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 610271, 1220542, 2441084, 3051355, 4271897, 6102710, 8543794, 12205420, 17087588, 21359485, 42718970, 85437940]

約数ペア:

[(1, 85437940), (2, 42718970), (4, 21359485), (5, 17087588), (7, 12205420), (10, 8543794), (14, 6102710), (20, 4271897), (28, 3051355), (35, 2441084), (70, 1220542), (140, 610271)]