16709140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^2\times {\mathrm{71}}^1$

素因数の和:169

約数の個数: 72

約数和(自身を含む): 41682816

約数和(自身を除く): 24973676

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 71, 82, 140, 142, 164, 205, 284, 287, 355, 410, 497, 574, 710, 820, 994, 1148, 1420, 1435, 1681, 1988, 2485, 2870, 2911, 3362, 4970, 5740, 5822, 6724, 8405, 9940, 11644, 11767, 14555, 16810, 20377, 23534, 29110, 33620, 40754, 47068, 58220, 58835, 81508, 101885, 117670, 119351, 203770, 235340, 238702, 407540, 477404, 596755, 835457, 1193510, 1670914, 2387020, 3341828, 4177285, 8354570, 16709140]

約数ペア:

[(1, 16709140), (2, 8354570), (4, 4177285), (5, 3341828), (7, 2387020), (10, 1670914), (14, 1193510), (20, 835457), (28, 596755), (35, 477404), (41, 407540), (70, 238702), (71, 235340), (82, 203770), (140, 119351), (142, 117670), (164, 101885), (205, 81508), (284, 58835), (287, 58220), (355, 47068), (410, 40754), (497, 33620), (574, 29110), (710, 23534), (820, 20377), (994, 16810), (1148, 14555), (1420, 11767), (1435, 11644), (1681, 9940), (1988, 8405), (2485, 6724), (2870, 5822), (2911, 5740), (3362, 4970)]