1906420

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{479}}^1$

素因数の和:687

約数の個数: 24

約数和(自身を含む): 4032000

約数和(自身を除く): 2125580

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 479, 796, 958, 995, 1916, 1990, 2395, 3980, 4790, 9580, 95321, 190642, 381284, 476605, 953210, 1906420]

約数ペア:

[(1, 1906420), (2, 953210), (4, 476605), (5, 381284), (10, 190642), (20, 95321), (199, 9580), (398, 4790), (479, 3980), (796, 2395), (958, 1990), (995, 1916)]