56221480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1009}}^1$

素因数の和:1226

約数の個数: 64

約数和(自身を含む): 145440000

約数和(自身を除く): 89218520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 199, 280, 398, 796, 995, 1009, 1393, 1592, 1990, 2018, 2786, 3980, 4036, 5045, 5572, 6965, 7063, 7960, 8072, 10090, 11144, 13930, 14126, 20180, 27860, 28252, 35315, 40360, 55720, 56504, 70630, 141260, 200791, 282520, 401582, 803164, 1003955, 1405537, 1606328, 2007910, 2811074, 4015820, 5622148, 7027685, 8031640, 11244296, 14055370, 28110740, 56221480]

約数ペア:

[(1, 56221480), (2, 28110740), (4, 14055370), (5, 11244296), (7, 8031640), (8, 7027685), (10, 5622148), (14, 4015820), (20, 2811074), (28, 2007910), (35, 1606328), (40, 1405537), (56, 1003955), (70, 803164), (140, 401582), (199, 282520), (280, 200791), (398, 141260), (796, 70630), (995, 56504), (1009, 55720), (1393, 40360), (1592, 35315), (1990, 28252), (2018, 27860), (2786, 20180), (3980, 14126), (4036, 13930), (5045, 11144), (5572, 10090), (6965, 8072), (7063, 7960)]