7757020

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1949}}^1$

素因数の和:2157

約数の個数: 24

約数和(自身を含む): 16380000

約数和(自身を除く): 8622980

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1949, 1990, 3898, 3980, 7796, 9745, 19490, 38980, 387851, 775702, 1551404, 1939255, 3878510, 7757020]

約数ペア:

[(1, 7757020), (2, 3878510), (4, 1939255), (5, 1551404), (10, 775702), (20, 387851), (199, 38980), (398, 19490), (796, 9745), (995, 7796), (1949, 3980), (1990, 3898)]