240640316

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{2161}}^1$

素因数の和:2310

約数の個数: 48

約数和(自身を含む): 498332352

約数和(自身を除く): 257692036

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 97, 164, 194, 287, 388, 574, 679, 1148, 1358, 2161, 2716, 3977, 4322, 7954, 8644, 15127, 15908, 27839, 30254, 55678, 60508, 88601, 111356, 177202, 209617, 354404, 419234, 620207, 838468, 1240414, 1467319, 2480828, 2934638, 5869276, 8594297, 17188594, 34377188, 60160079, 120320158, 240640316]

約数ペア:

[(1, 240640316), (2, 120320158), (4, 60160079), (7, 34377188), (14, 17188594), (28, 8594297), (41, 5869276), (82, 2934638), (97, 2480828), (164, 1467319), (194, 1240414), (287, 838468), (388, 620207), (574, 419234), (679, 354404), (1148, 209617), (1358, 177202), (2161, 111356), (2716, 88601), (3977, 60508), (4322, 55678), (7954, 30254), (8644, 27839), (15127, 15908)]