138894140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{90191}}^1$

素因数の和:90218

約数の個数: 48

約数和(自身を含む): 363654144

約数和(自身を除く): 224760004

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 90191, 180382, 360764, 450955, 631337, 901910, 992101, 1262674, 1803820, 1984202, 2525348, 3156685, 3968404, 4960505, 6313370, 6944707, 9921010, 12626740, 13889414, 19842020, 27778828, 34723535, 69447070, 138894140]

約数ペア:

[(1, 138894140), (2, 69447070), (4, 34723535), (5, 27778828), (7, 19842020), (10, 13889414), (11, 12626740), (14, 9921010), (20, 6944707), (22, 6313370), (28, 4960505), (35, 3968404), (44, 3156685), (55, 2525348), (70, 1984202), (77, 1803820), (110, 1262674), (140, 992101), (154, 901910), (220, 631337), (308, 450955), (385, 360764), (770, 180382), (1540, 90191)]