9780180508

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{139661}}^1$

素因数の和:139774

約数の個数: 48

約数和(自身を含む): 20366071488

約数和(自身を除く): 10585890980

約数列:

[1, 2, 4, 7, 14, 28, 41, 61, 82, 122, 164, 244, 287, 427, 574, 854, 1148, 1708, 2501, 5002, 10004, 17507, 35014, 70028, 139661, 279322, 558644, 977627, 1955254, 3910508, 5726101, 8519321, 11452202, 17038642, 22904404, 34077284, 40082707, 59635247, 80165414, 119270494, 160330828, 238540988, 349292161, 698584322, 1397168644, 2445045127, 4890090254, 9780180508]

約数ペア:

[(1, 9780180508), (2, 4890090254), (4, 2445045127), (7, 1397168644), (14, 698584322), (28, 349292161), (41, 238540988), (61, 160330828), (82, 119270494), (122, 80165414), (164, 59635247), (244, 40082707), (287, 34077284), (427, 22904404), (574, 17038642), (854, 11452202), (1148, 8519321), (1708, 5726101), (2501, 3910508), (5002, 1955254), (10004, 977627), (17507, 558644), (35014, 279322), (70028, 139661)]