54654740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{390391}}^1$

素因数の和:390407

約数の個数: 24

約数和(自身を含む): 131171712

約数和(自身を除く): 76516972

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 390391, 780782, 1561564, 1951955, 2732737, 3903910, 5465474, 7807820, 10930948, 13663685, 27327370, 54654740]

約数ペア:

[(1, 54654740), (2, 27327370), (4, 13663685), (5, 10930948), (7, 7807820), (10, 5465474), (14, 3903910), (20, 2732737), (28, 1951955), (35, 1561564), (70, 780782), (140, 390391)]