2009097620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{19087}}^1$

素因数の和:19392

約数の個数: 48

約数和(自身を含む): 4457429760

約数和(自身を除く): 2448332140

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 277, 380, 554, 1108, 1385, 2770, 5263, 5540, 10526, 19087, 21052, 26315, 38174, 52630, 76348, 95435, 105260, 190870, 362653, 381740, 725306, 1450612, 1813265, 3626530, 5287099, 7253060, 10574198, 21148396, 26435495, 52870990, 100454881, 105741980, 200909762, 401819524, 502274405, 1004548810, 2009097620]

約数ペア:

[(1, 2009097620), (2, 1004548810), (4, 502274405), (5, 401819524), (10, 200909762), (19, 105741980), (20, 100454881), (38, 52870990), (76, 26435495), (95, 21148396), (190, 10574198), (277, 7253060), (380, 5287099), (554, 3626530), (1108, 1813265), (1385, 1450612), (2770, 725306), (5263, 381740), (5540, 362653), (10526, 190870), (19087, 105260), (21052, 95435), (26315, 76348), (38174, 52630)]