4123280

素因数分解:

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

素因数の和:256

約数の個数: 80

約数和(自身を含む): 11308800

約数和(自身を除く): 7185520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 56, 70, 74, 80, 112, 140, 148, 185, 199, 259, 280, 296, 370, 398, 518, 560, 592, 740, 796, 995, 1036, 1295, 1393, 1480, 1592, 1990, 2072, 2590, 2786, 2960, 3184, 3980, 4144, 5180, 5572, 6965, 7363, 7960, 10360, 11144, 13930, 14726, 15920, 20720, 22288, 27860, 29452, 36815, 51541, 55720, 58904, 73630, 103082, 111440, 117808, 147260, 206164, 257705, 294520, 412328, 515410, 589040, 824656, 1030820, 2061640, 4123280]

約数ペア:

[(1, 4123280), (2, 2061640), (4, 1030820), (5, 824656), (7, 589040), (8, 515410), (10, 412328), (14, 294520), (16, 257705), (20, 206164), (28, 147260), (35, 117808), (37, 111440), (40, 103082), (56, 73630), (70, 58904), (74, 55720), (80, 51541), (112, 36815), (140, 29452), (148, 27860), (185, 22288), (199, 20720), (259, 15920), (280, 14726), (296, 13930), (370, 11144), (398, 10360), (518, 7960), (560, 7363), (592, 6965), (740, 5572), (796, 5180), (995, 4144), (1036, 3980), (1295, 3184), (1393, 2960), (1480, 2786), (1592, 2590), (1990, 2072)]