30126740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{215191}}^1$

素因数の和:215207

約数の個数: 24

約数和(自身を含む): 72304512

約数和(自身を除く): 42177772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 215191, 430382, 860764, 1075955, 1506337, 2151910, 3012674, 4303820, 6025348, 7531685, 15063370, 30126740]

約数ペア:

[(1, 30126740), (2, 15063370), (4, 7531685), (5, 6025348), (7, 4303820), (10, 3012674), (14, 2151910), (20, 1506337), (28, 1075955), (35, 860764), (70, 430382), (140, 215191)]