28862960

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:263

約数の個数: 120

約数和(自身を含む): 80575200

約数和(自身を除く): 51712240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 49, 56, 70, 74, 80, 98, 112, 140, 148, 185, 196, 199, 245, 259, 280, 296, 370, 392, 398, 490, 518, 560, 592, 740, 784, 796, 980, 995, 1036, 1295, 1393, 1480, 1592, 1813, 1960, 1990, 2072, 2590, 2786, 2960, 3184, 3626, 3920, 3980, 4144, 5180, 5572, 6965, 7252, 7363, 7960, 9065, 9751, 10360, 11144, 13930, 14504, 14726, 15920, 18130, 19502, 20720, 22288, 27860, 29008, 29452, 36260, 36815, 39004, 48755, 51541, 55720, 58904, 72520, 73630, 78008, 97510, 103082, 111440, 117808, 145040, 147260, 156016, 195020, 206164, 257705, 294520, 360787, 390040, 412328, 515410, 589040, 721574, 780080, 824656, 1030820, 1443148, 1803935, 2061640, 2886296, 3607870, 4123280, 5772592, 7215740, 14431480, 28862960]

約数ペア:

[(1, 28862960), (2, 14431480), (4, 7215740), (5, 5772592), (7, 4123280), (8, 3607870), (10, 2886296), (14, 2061640), (16, 1803935), (20, 1443148), (28, 1030820), (35, 824656), (37, 780080), (40, 721574), (49, 589040), (56, 515410), (70, 412328), (74, 390040), (80, 360787), (98, 294520), (112, 257705), (140, 206164), (148, 195020), (185, 156016), (196, 147260), (199, 145040), (245, 117808), (259, 111440), (280, 103082), (296, 97510), (370, 78008), (392, 73630), (398, 72520), (490, 58904), (518, 55720), (560, 51541), (592, 48755), (740, 39004), (784, 36815), (796, 36260), (980, 29452), (995, 29008), (1036, 27860), (1295, 22288), (1393, 20720), (1480, 19502), (1592, 18130), (1813, 15920), (1960, 14726), (1990, 14504), (2072, 13930), (2590, 11144), (2786, 10360), (2960, 9751), (3184, 9065), (3626, 7960), (3920, 7363), (3980, 7252), (4144, 6965), (5180, 5572)]