780740

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{379}}^1$

素因数の和:491

約数の個数: 24

約数和(自身を含む): 1659840

約数和(自身を除く): 879100

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 379, 412, 515, 758, 1030, 1516, 1895, 2060, 3790, 7580, 39037, 78074, 156148, 195185, 390370, 780740]

約数ペア:

[(1, 780740), (2, 390370), (4, 195185), (5, 156148), (10, 78074), (20, 39037), (103, 7580), (206, 3790), (379, 2060), (412, 1895), (515, 1516), (758, 1030)]