127905260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{4591}}^1$

素因数の和:4806

約数の個数: 48

約数和(自身を含む): 308582400

約数和(自身を除く): 180677140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 199, 398, 796, 995, 1393, 1990, 2786, 3980, 4591, 5572, 6965, 9182, 13930, 18364, 22955, 27860, 32137, 45910, 64274, 91820, 128548, 160685, 321370, 642740, 913609, 1827218, 3654436, 4568045, 6395263, 9136090, 12790526, 18272180, 25581052, 31976315, 63952630, 127905260]

約数ペア:

[(1, 127905260), (2, 63952630), (4, 31976315), (5, 25581052), (7, 18272180), (10, 12790526), (14, 9136090), (20, 6395263), (28, 4568045), (35, 3654436), (70, 1827218), (140, 913609), (199, 642740), (398, 321370), (796, 160685), (995, 128548), (1393, 91820), (1990, 64274), (2786, 45910), (3980, 32137), (4591, 27860), (5572, 22955), (6965, 18364), (9182, 13930)]