103121800

素因数分解:

$2^3\times 5^2\times {\mathrm{199}}^1\times {\mathrm{2591}}^1$

素因数の和:2806

約数の個数: 48

約数和(自身を含む): 241056000

約数和(自身を除く): 137934200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 199, 200, 398, 796, 995, 1592, 1990, 2591, 3980, 4975, 5182, 7960, 9950, 10364, 12955, 19900, 20728, 25910, 39800, 51820, 64775, 103640, 129550, 259100, 515609, 518200, 1031218, 2062436, 2578045, 4124872, 5156090, 10312180, 12890225, 20624360, 25780450, 51560900, 103121800]

約数ペア:

[(1, 103121800), (2, 51560900), (4, 25780450), (5, 20624360), (8, 12890225), (10, 10312180), (20, 5156090), (25, 4124872), (40, 2578045), (50, 2062436), (100, 1031218), (199, 518200), (200, 515609), (398, 259100), (796, 129550), (995, 103640), (1592, 64775), (1990, 51820), (2591, 39800), (3980, 25910), (4975, 20728), (5182, 19900), (7960, 12955), (9950, 10364)]