848972660

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{389437}}^1$

素因数の和:389555

約数の個数: 24

約数和(自身を含む): 1799203560

約数和(自身を除く): 950230900

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 389437, 778874, 1557748, 1947185, 3894370, 7788740, 42448633, 84897266, 169794532, 212243165, 424486330, 848972660]

約数ペア:

[(1, 848972660), (2, 424486330), (4, 212243165), (5, 169794532), (10, 84897266), (20, 42448633), (109, 7788740), (218, 3894370), (436, 1947185), (545, 1557748), (1090, 778874), (2180, 389437)]