138234320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{1279}}^1$

素因数の和:1492

約数の個数: 80

約数和(自身を含む): 369500160

約数和(自身を除く): 231265840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 193, 280, 386, 560, 772, 965, 1279, 1351, 1544, 1930, 2558, 2702, 3088, 3860, 5116, 5404, 6395, 6755, 7720, 8953, 10232, 10808, 12790, 13510, 15440, 17906, 20464, 21616, 25580, 27020, 35812, 44765, 51160, 54040, 71624, 89530, 102320, 108080, 143248, 179060, 246847, 358120, 493694, 716240, 987388, 1234235, 1727929, 1974776, 2468470, 3455858, 3949552, 4936940, 6911716, 8639645, 9873880, 13823432, 17279290, 19747760, 27646864, 34558580, 69117160, 138234320]

約数ペア:

[(1, 138234320), (2, 69117160), (4, 34558580), (5, 27646864), (7, 19747760), (8, 17279290), (10, 13823432), (14, 9873880), (16, 8639645), (20, 6911716), (28, 4936940), (35, 3949552), (40, 3455858), (56, 2468470), (70, 1974776), (80, 1727929), (112, 1234235), (140, 987388), (193, 716240), (280, 493694), (386, 358120), (560, 246847), (772, 179060), (965, 143248), (1279, 108080), (1351, 102320), (1544, 89530), (1930, 71624), (2558, 54040), (2702, 51160), (3088, 44765), (3860, 35812), (5116, 27020), (5404, 25580), (6395, 21616), (6755, 20464), (7720, 17906), (8953, 15440), (10232, 13510), (10808, 12790)]