2890408900

素因数分解:

$2^2\times 5^2\times {\mathrm{28904089}}^1$

素因数の和:28904103

約数の個数: 18

約数和(自身を含む): 6272187530

約数和(自身を除く): 3381778630

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 28904089, 57808178, 115616356, 144520445, 289040890, 578081780, 722602225, 1445204450, 2890408900]

約数ペア:

[(1, 2890408900), (2, 1445204450), (4, 722602225), (5, 578081780), (10, 289040890), (20, 144520445), (25, 115616356), (50, 57808178), (100, 28904089)]