7439780

素因数分解:

$2^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{937}}^1$

素因数の和:1343

約数の個数: 24

約数和(自身を含む): 15679608

約数和(自身を除く): 8239828

約数列:

[1, 2, 4, 5, 10, 20, 397, 794, 937, 1588, 1874, 1985, 3748, 3970, 4685, 7940, 9370, 18740, 371989, 743978, 1487956, 1859945, 3719890, 7439780]

約数ペア:

[(1, 7439780), (2, 3719890), (4, 1859945), (5, 1487956), (10, 743978), (20, 371989), (397, 18740), (794, 9370), (937, 7940), (1588, 4685), (1874, 3970), (1985, 3748)]