1938260

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{487}}^1$

素因数の和:695

約数の個数: 24

約数和(自身を含む): 4099200

約数和(自身を除く): 2160940

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 487, 796, 974, 995, 1948, 1990, 2435, 3980, 4870, 9740, 96913, 193826, 387652, 484565, 969130, 1938260]

約数ペア:

[(1, 1938260), (2, 969130), (4, 484565), (5, 387652), (10, 193826), (20, 96913), (199, 9740), (398, 4870), (487, 3980), (796, 2435), (974, 1990), (995, 1948)]