218855560

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{10151}}^1$

素因数の和:10187

約数の個数: 96

約数和(自身を含む): 624957120

約数和(自身を除く): 406101560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 140, 154, 196, 220, 245, 280, 308, 385, 392, 440, 490, 539, 616, 770, 980, 1078, 1540, 1960, 2156, 2695, 3080, 4312, 5390, 10151, 10780, 20302, 21560, 40604, 50755, 71057, 81208, 101510, 111661, 142114, 203020, 223322, 284228, 355285, 406040, 446644, 497399, 558305, 568456, 710570, 781627, 893288, 994798, 1116610, 1421140, 1563254, 1989596, 2233220, 2486995, 2842280, 3126508, 3908135, 3979192, 4466440, 4973990, 5471389, 6253016, 7816270, 9947980, 10942778, 15632540, 19895960, 21885556, 27356945, 31265080, 43771112, 54713890, 109427780, 218855560]

約数ペア:

[(1, 218855560), (2, 109427780), (4, 54713890), (5, 43771112), (7, 31265080), (8, 27356945), (10, 21885556), (11, 19895960), (14, 15632540), (20, 10942778), (22, 9947980), (28, 7816270), (35, 6253016), (40, 5471389), (44, 4973990), (49, 4466440), (55, 3979192), (56, 3908135), (70, 3126508), (77, 2842280), (88, 2486995), (98, 2233220), (110, 1989596), (140, 1563254), (154, 1421140), (196, 1116610), (220, 994798), (245, 893288), (280, 781627), (308, 710570), (385, 568456), (392, 558305), (440, 497399), (490, 446644), (539, 406040), (616, 355285), (770, 284228), (980, 223322), (1078, 203020), (1540, 142114), (1960, 111661), (2156, 101510), (2695, 81208), (3080, 71057), (4312, 50755), (5390, 40604), (10151, 21560), (10780, 20302)]