209945120

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17041}}^1$

素因数の和:17074

約数の個数: 96

約数和(自身を含む): 618420096

約数和(自身を除く): 408474976

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 160, 176, 220, 224, 280, 308, 352, 385, 440, 560, 616, 770, 880, 1120, 1232, 1540, 1760, 2464, 3080, 6160, 12320, 17041, 34082, 68164, 85205, 119287, 136328, 170410, 187451, 238574, 272656, 340820, 374902, 477148, 545312, 596435, 681640, 749804, 937255, 954296, 1192870, 1312157, 1363280, 1499608, 1874510, 1908592, 2385740, 2624314, 2726560, 2999216, 3749020, 3817184, 4771480, 5248628, 5998432, 6560785, 7498040, 9542960, 10497256, 13121570, 14996080, 19085920, 20994512, 26243140, 29992160, 41989024, 52486280, 104972560, 209945120]

約数ペア:

[(1, 209945120), (2, 104972560), (4, 52486280), (5, 41989024), (7, 29992160), (8, 26243140), (10, 20994512), (11, 19085920), (14, 14996080), (16, 13121570), (20, 10497256), (22, 9542960), (28, 7498040), (32, 6560785), (35, 5998432), (40, 5248628), (44, 4771480), (55, 3817184), (56, 3749020), (70, 2999216), (77, 2726560), (80, 2624314), (88, 2385740), (110, 1908592), (112, 1874510), (140, 1499608), (154, 1363280), (160, 1312157), (176, 1192870), (220, 954296), (224, 937255), (280, 749804), (308, 681640), (352, 596435), (385, 545312), (440, 477148), (560, 374902), (616, 340820), (770, 272656), (880, 238574), (1120, 187451), (1232, 170410), (1540, 136328), (1760, 119287), (2464, 85205), (3080, 68164), (6160, 34082), (12320, 17041)]