168065740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{2731}}^1$

素因数の和:2938

約数の個数: 48

約数和(自身を含む): 375901344

約数和(自身を除く): 207835604

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 181, 340, 362, 724, 905, 1810, 2731, 3077, 3620, 5462, 6154, 10924, 12308, 13655, 15385, 27310, 30770, 46427, 54620, 61540, 92854, 185708, 232135, 464270, 494311, 928540, 988622, 1977244, 2471555, 4943110, 8403287, 9886220, 16806574, 33613148, 42016435, 84032870, 168065740]

約数ペア:

[(1, 168065740), (2, 84032870), (4, 42016435), (5, 33613148), (10, 16806574), (17, 9886220), (20, 8403287), (34, 4943110), (68, 2471555), (85, 1977244), (170, 988622), (181, 928540), (340, 494311), (362, 464270), (724, 232135), (905, 185708), (1810, 92854), (2731, 61540), (3077, 54620), (3620, 46427), (5462, 30770), (6154, 27310), (10924, 15385), (12308, 13655)]