164078740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1171991}}^1$

素因数の和:1172007

約数の個数: 24

約数和(自身を含む): 393789312

約数和(自身を除く): 229710572

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1171991, 2343982, 4687964, 5859955, 8203937, 11719910, 16407874, 23439820, 32815748, 41019685, 82039370, 164078740]

約数ペア:

[(1, 164078740), (2, 82039370), (4, 41019685), (5, 32815748), (7, 23439820), (10, 16407874), (14, 11719910), (20, 8203937), (28, 5859955), (35, 4687964), (70, 2343982), (140, 1171991)]