1897668640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{8779}}^1$

素因数の和:8994

約数の個数: 96

約数和(自身を含む): 5150839680

約数和(自身を除く): 3253171040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 193, 224, 280, 386, 560, 772, 965, 1120, 1351, 1544, 1930, 2702, 3088, 3860, 5404, 6176, 6755, 7720, 8779, 10808, 13510, 15440, 17558, 21616, 27020, 30880, 35116, 43232, 43895, 54040, 61453, 70232, 87790, 108080, 122906, 140464, 175580, 216160, 245812, 280928, 307265, 351160, 491624, 614530, 702320, 983248, 1229060, 1404640, 1694347, 1966496, 2458120, 3388694, 4916240, 6777388, 8471735, 9832480, 11860429, 13554776, 16943470, 23720858, 27109552, 33886940, 47441716, 54219104, 59302145, 67773880, 94883432, 118604290, 135547760, 189766864, 237208580, 271095520, 379533728, 474417160, 948834320, 1897668640]

約数ペア:

[(1, 1897668640), (2, 948834320), (4, 474417160), (5, 379533728), (7, 271095520), (8, 237208580), (10, 189766864), (14, 135547760), (16, 118604290), (20, 94883432), (28, 67773880), (32, 59302145), (35, 54219104), (40, 47441716), (56, 33886940), (70, 27109552), (80, 23720858), (112, 16943470), (140, 13554776), (160, 11860429), (193, 9832480), (224, 8471735), (280, 6777388), (386, 4916240), (560, 3388694), (772, 2458120), (965, 1966496), (1120, 1694347), (1351, 1404640), (1544, 1229060), (1930, 983248), (2702, 702320), (3088, 614530), (3860, 491624), (5404, 351160), (6176, 307265), (6755, 280928), (7720, 245812), (8779, 216160), (10808, 175580), (13510, 140464), (15440, 122906), (17558, 108080), (21616, 87790), (27020, 70232), (30880, 61453), (35116, 54040), (43232, 43895)]