149780231420

素因数分解:

$2^2\times 5^1\times {\mathrm{7489011571}}^1$

素因数の和:7489011580

約数の個数: 12

約数和(自身を含む): 314538486024

約数和(自身を除く): 164758254604

約数列:

[1, 2, 4, 5, 10, 20, 7489011571, 14978023142, 29956046284, 37445057855, 74890115710, 149780231420]

約数ペア:

[(1, 149780231420), (2, 74890115710), (4, 37445057855), (5, 29956046284), (10, 14978023142), (20, 7489011571)]