42980980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{337}}^1\times {\mathrm{911}}^1$

素因数の和:1264

約数の個数: 48

約数和(自身を含む): 103574016

約数和(自身を除く): 60593036

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 337, 674, 911, 1348, 1685, 1822, 2359, 3370, 3644, 4555, 4718, 6377, 6740, 9110, 9436, 11795, 12754, 18220, 23590, 25508, 31885, 47180, 63770, 127540, 307007, 614014, 1228028, 1535035, 2149049, 3070070, 4298098, 6140140, 8596196, 10745245, 21490490, 42980980]

約数ペア:

[(1, 42980980), (2, 21490490), (4, 10745245), (5, 8596196), (7, 6140140), (10, 4298098), (14, 3070070), (20, 2149049), (28, 1535035), (35, 1228028), (70, 614014), (140, 307007), (337, 127540), (674, 63770), (911, 47180), (1348, 31885), (1685, 25508), (1822, 23590), (2359, 18220), (3370, 12754), (3644, 11795), (4555, 9436), (4718, 9110), (6377, 6740)]