2018658654680

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{487}}^1\times {\mathrm{542551}}^1$

素因数の和:543240

約数の個数: 64

約数和(自身を含む): 4575145697280

約数和(自身を除く): 2556487042600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 487, 764, 955, 974, 1528, 1910, 1948, 2435, 3820, 3896, 4870, 7640, 9740, 19480, 93017, 186034, 372068, 465085, 542551, 744136, 930170, 1085102, 1860340, 2170204, 2712755, 3720680, 4340408, 5425510, 10851020, 21702040, 103627241, 207254482, 264222337, 414508964, 518136205, 528444674, 829017928, 1036272410, 1056889348, 1321111685, 2072544820, 2113778696, 2642223370, 4145089640, 5284446740, 10568893480, 50466466367, 100932932734, 201865865468, 252332331835, 403731730936, 504664663670, 1009329327340, 2018658654680]

約数ペア:

[(1, 2018658654680), (2, 1009329327340), (4, 504664663670), (5, 403731730936), (8, 252332331835), (10, 201865865468), (20, 100932932734), (40, 50466466367), (191, 10568893480), (382, 5284446740), (487, 4145089640), (764, 2642223370), (955, 2113778696), (974, 2072544820), (1528, 1321111685), (1910, 1056889348), (1948, 1036272410), (2435, 829017928), (3820, 528444674), (3896, 518136205), (4870, 414508964), (7640, 264222337), (9740, 207254482), (19480, 103627241), (93017, 21702040), (186034, 10851020), (372068, 5425510), (465085, 4340408), (542551, 3720680), (744136, 2712755), (930170, 2170204), (1085102, 1860340)]