2189960080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{355513}}^1$

素因数の和:355544

約数の個数: 80

約数和(自身を含む): 6348057984

約数和(自身を除く): 4158097904

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 3080, 6160, 355513, 711026, 1422052, 1777565, 2488591, 2844104, 3555130, 3910643, 4977182, 5688208, 7110260, 7821286, 9954364, 12442955, 14220520, 15642572, 19553215, 19908728, 24885910, 27374501, 28441040, 31285144, 39106430, 39817456, 49771820, 54749002, 62570288, 78212860, 99543640, 109498004, 136872505, 156425720, 199087280, 218996008, 273745010, 312851440, 437992016, 547490020, 1094980040, 2189960080]

約数ペア:

[(1, 2189960080), (2, 1094980040), (4, 547490020), (5, 437992016), (7, 312851440), (8, 273745010), (10, 218996008), (11, 199087280), (14, 156425720), (16, 136872505), (20, 109498004), (22, 99543640), (28, 78212860), (35, 62570288), (40, 54749002), (44, 49771820), (55, 39817456), (56, 39106430), (70, 31285144), (77, 28441040), (80, 27374501), (88, 24885910), (110, 19908728), (112, 19553215), (140, 15642572), (154, 14220520), (176, 12442955), (220, 9954364), (280, 7821286), (308, 7110260), (385, 5688208), (440, 4977182), (560, 3910643), (616, 3555130), (770, 2844104), (880, 2488591), (1232, 1777565), (1540, 1422052), (3080, 711026), (6160, 355513)]