28355180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{337}}^1\times {\mathrm{601}}^1$

素因数の和:954

約数の個数: 48

約数和(自身を含む): 68367936

約数和(自身を除く): 40012756

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 337, 601, 674, 1202, 1348, 1685, 2359, 2404, 3005, 3370, 4207, 4718, 6010, 6740, 8414, 9436, 11795, 12020, 16828, 21035, 23590, 42070, 47180, 84140, 202537, 405074, 810148, 1012685, 1417759, 2025370, 2835518, 4050740, 5671036, 7088795, 14177590, 28355180]

約数ペア:

[(1, 28355180), (2, 14177590), (4, 7088795), (5, 5671036), (7, 4050740), (10, 2835518), (14, 2025370), (20, 1417759), (28, 1012685), (35, 810148), (70, 405074), (140, 202537), (337, 84140), (601, 47180), (674, 42070), (1202, 23590), (1348, 21035), (1685, 16828), (2359, 12020), (2404, 11795), (3005, 9436), (3370, 8414), (4207, 6740), (4718, 6010)]