138798940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{24181}}^1$

素因数の和:24238

約数の個数: 48

約数和(自身を含む): 341256384

約数和(自身を除く): 202457444

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5740, 24181, 48362, 96724, 120905, 169267, 241810, 338534, 483620, 677068, 846335, 991421, 1692670, 1982842, 3385340, 3965684, 4957105, 6939947, 9914210, 13879894, 19828420, 27759788, 34699735, 69399470, 138798940]

約数ペア:

[(1, 138798940), (2, 69399470), (4, 34699735), (5, 27759788), (7, 19828420), (10, 13879894), (14, 9914210), (20, 6939947), (28, 4957105), (35, 3965684), (41, 3385340), (70, 1982842), (82, 1692670), (140, 991421), (164, 846335), (205, 677068), (287, 483620), (410, 338534), (574, 241810), (820, 169267), (1148, 120905), (1435, 96724), (2870, 48362), (5740, 24181)]