289041080

素因数分解:

$2^3\times 5^1\times {\mathrm{7226027}}^1$

素因数の和:7226038

約数の個数: 16

約数和(自身を含む): 650342520

約数和(自身を除く): 361301440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 7226027, 14452054, 28904108, 36130135, 57808216, 72260270, 144520540, 289041080]

約数ペア:

[(1, 289041080), (2, 144520540), (4, 72260270), (5, 57808216), (8, 36130135), (10, 28904108), (20, 14452054), (40, 7226027)]