299612660

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{137437}}^1$

素因数の和:137555

約数の個数: 24

約数和(自身を含む): 634963560

約数和(自身を除く): 335350900

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 137437, 274874, 549748, 687185, 1374370, 2748740, 14980633, 29961266, 59922532, 74903165, 149806330, 299612660]

約数ペア:

[(1, 299612660), (2, 149806330), (4, 74903165), (5, 59922532), (10, 29961266), (20, 14980633), (109, 2748740), (218, 1374370), (436, 687185), (545, 549748), (1090, 274874), (2180, 137437)]