149111120

素因数分解:

$2^4\times 5^1\times {\mathrm{1863889}}^1$

素因数の和:1863902

約数の個数: 20

約数和(自身を含む): 346683540

約数和(自身を除く): 197572420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1863889, 3727778, 7455556, 9319445, 14911112, 18638890, 29822224, 37277780, 74555560, 149111120]

約数ペア:

[(1, 149111120), (2, 74555560), (4, 37277780), (5, 29822224), (8, 18638890), (10, 14911112), (16, 9319445), (20, 7455556), (40, 3727778), (80, 1863889)]