123145810

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{30109}}^1$

素因数の和:30525

約数の個数: 16

約数和(自身を含む): 222211800

約数和(自身を除く): 99065990

約数列:

[1, 2, 5, 10, 409, 818, 2045, 4090, 30109, 60218, 150545, 301090, 12314581, 24629162, 61572905, 123145810]

約数ペア:

[(1, 123145810), (2, 61572905), (5, 24629162), (10, 12314581), (409, 301090), (818, 150545), (2045, 60218), (4090, 30109)]