3078740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{21991}}^1$

素因数の和:22007

約数の個数: 24

約数和(自身を含む): 7389312

約数和(自身を除く): 4310572

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 21991, 43982, 87964, 109955, 153937, 219910, 307874, 439820, 615748, 769685, 1539370, 3078740]

約数ペア:

[(1, 3078740), (2, 1539370), (4, 769685), (5, 615748), (7, 439820), (10, 307874), (14, 219910), (20, 153937), (28, 109955), (35, 87964), (70, 43982), (140, 21991)]