219242960

素因数分解:

$2^4\times 5^1\times {\mathrm{2740537}}^1$

素因数の和:2740550

約数の個数: 20

約数和(自身を含む): 509740068

約数和(自身を除く): 290497108

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2740537, 5481074, 10962148, 13702685, 21924296, 27405370, 43848592, 54810740, 109621480, 219242960]

約数ペア:

[(1, 219242960), (2, 109621480), (4, 54810740), (5, 43848592), (8, 27405370), (10, 21924296), (16, 13702685), (20, 10962148), (40, 5481074), (80, 2740537)]