198032860

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{49757}}^1$

素因数の和:49965

約数の個数: 24

約数和(自身を含む): 417967200

約数和(自身を除く): 219934340

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 49757, 99514, 199028, 248785, 497570, 995140, 9901643, 19803286, 39606572, 49508215, 99016430, 198032860]

約数ペア:

[(1, 198032860), (2, 99016430), (4, 49508215), (5, 39606572), (10, 19803286), (20, 9901643), (199, 995140), (398, 497570), (796, 248785), (995, 199028), (1990, 99514), (3980, 49757)]