217081480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{70481}}^1$

素因数の和:70510

約数の個数: 64

約数和(自身を含む): 608964480

約数和(自身を除く): 391883000

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 70481, 140962, 281924, 352405, 493367, 563848, 704810, 775291, 986734, 1409620, 1550582, 1973468, 2466835, 2819240, 3101164, 3876455, 3946936, 4933670, 5427037, 6202328, 7752910, 9867340, 10854074, 15505820, 19734680, 21708148, 27135185, 31011640, 43416296, 54270370, 108540740, 217081480]

約数ペア:

[(1, 217081480), (2, 108540740), (4, 54270370), (5, 43416296), (7, 31011640), (8, 27135185), (10, 21708148), (11, 19734680), (14, 15505820), (20, 10854074), (22, 9867340), (28, 7752910), (35, 6202328), (40, 5427037), (44, 4933670), (55, 3946936), (56, 3876455), (70, 3101164), (77, 2819240), (88, 2466835), (110, 1973468), (140, 1550582), (154, 1409620), (220, 986734), (280, 775291), (308, 704810), (385, 563848), (440, 493367), (616, 352405), (770, 281924), (1540, 140962), (3080, 70481)]