2912687540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{20804911}}^1$

素因数の和:20804927

約数の個数: 24

約数和(自身を含む): 6990450432

約数和(自身を除く): 4077762892

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 20804911, 41609822, 83219644, 104024555, 145634377, 208049110, 291268754, 416098220, 582537508, 728171885, 1456343770, 2912687540]

約数ペア:

[(1, 2912687540), (2, 1456343770), (4, 728171885), (5, 582537508), (7, 416098220), (10, 291268754), (14, 208049110), (20, 145634377), (28, 104024555), (35, 83219644), (70, 41609822), (140, 20804911)]