180790820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{6691}}^1$

素因数の和:6900

約数の個数: 48

約数和(自身を含む): 436211328

約数和(自身を除く): 255420508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 193, 386, 772, 965, 1351, 1930, 2702, 3860, 5404, 6691, 6755, 13382, 13510, 26764, 27020, 33455, 46837, 66910, 93674, 133820, 187348, 234185, 468370, 936740, 1291363, 2582726, 5165452, 6456815, 9039541, 12913630, 18079082, 25827260, 36158164, 45197705, 90395410, 180790820]

約数ペア:

[(1, 180790820), (2, 90395410), (4, 45197705), (5, 36158164), (7, 25827260), (10, 18079082), (14, 12913630), (20, 9039541), (28, 6456815), (35, 5165452), (70, 2582726), (140, 1291363), (193, 936740), (386, 468370), (772, 234185), (965, 187348), (1351, 133820), (1930, 93674), (2702, 66910), (3860, 46837), (5404, 33455), (6691, 27020), (6755, 26764), (13382, 13510)]