239662660

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{109937}}^1$

素因数の和:110055

約数の個数: 24

約数和(自身を含む): 507913560

約数和(自身を除く): 268250900

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 109937, 219874, 439748, 549685, 1099370, 2198740, 11983133, 23966266, 47932532, 59915665, 119831330, 239662660]

約数ペア:

[(1, 239662660), (2, 119831330), (4, 59915665), (5, 47932532), (10, 23966266), (20, 11983133), (109, 2198740), (218, 1099370), (436, 549685), (545, 439748), (1090, 219874), (2180, 109937)]