72686740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{2609}}^1$

素因数の和:2824

約数の個数: 48

約数和(自身を含む): 175392000

約数和(自身を除く): 102705260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 199, 398, 796, 995, 1393, 1990, 2609, 2786, 3980, 5218, 5572, 6965, 10436, 13045, 13930, 18263, 26090, 27860, 36526, 52180, 73052, 91315, 182630, 365260, 519191, 1038382, 2076764, 2595955, 3634337, 5191910, 7268674, 10383820, 14537348, 18171685, 36343370, 72686740]

約数ペア:

[(1, 72686740), (2, 36343370), (4, 18171685), (5, 14537348), (7, 10383820), (10, 7268674), (14, 5191910), (20, 3634337), (28, 2595955), (35, 2076764), (70, 1038382), (140, 519191), (199, 365260), (398, 182630), (796, 91315), (995, 73052), (1393, 52180), (1990, 36526), (2609, 27860), (2786, 26090), (3980, 18263), (5218, 13930), (5572, 13045), (6965, 10436)]