30989930

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{7577}}^1$

素因数の和:7993

約数の個数: 16

約数和(自身を含む): 55925640

約数和(自身を除く): 24935710

約数列:

[1, 2, 5, 10, 409, 818, 2045, 4090, 7577, 15154, 37885, 75770, 3098993, 6197986, 15494965, 30989930]

約数ペア:

[(1, 30989930), (2, 15494965), (5, 6197986), (10, 3098993), (409, 75770), (818, 37885), (2045, 15154), (4090, 7577)]