149737660

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{68687}}^1$

素因数の和:68805

約数の個数: 24

約数和(自身を含む): 317338560

約数和(自身を除く): 167600900

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 68687, 137374, 274748, 343435, 686870, 1373740, 7486883, 14973766, 29947532, 37434415, 74868830, 149737660]

約数ペア:

[(1, 149737660), (2, 74868830), (4, 37434415), (5, 29947532), (10, 14973766), (20, 7486883), (109, 1373740), (218, 686870), (436, 343435), (545, 274748), (1090, 137374), (2180, 68687)]