180321860

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{45307}}^1$

素因数の和:45515

約数の個数: 24

約数和(自身を含む): 380587200

約数和(自身を除く): 200265340

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 45307, 90614, 181228, 226535, 453070, 906140, 9016093, 18032186, 36064372, 45080465, 90160930, 180321860]

約数ペア:

[(1, 180321860), (2, 90160930), (4, 45080465), (5, 36064372), (10, 18032186), (20, 9016093), (199, 906140), (398, 453070), (796, 226535), (995, 181228), (1990, 90614), (3980, 45307)]