28921340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{337}}^1\times {\mathrm{613}}^1$

素因数の和:966

約数の個数: 48

約数和(自身を含む): 69730752

約数和(自身を除く): 40809412

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 337, 613, 674, 1226, 1348, 1685, 2359, 2452, 3065, 3370, 4291, 4718, 6130, 6740, 8582, 9436, 11795, 12260, 17164, 21455, 23590, 42910, 47180, 85820, 206581, 413162, 826324, 1032905, 1446067, 2065810, 2892134, 4131620, 5784268, 7230335, 14460670, 28921340]

約数ペア:

[(1, 28921340), (2, 14460670), (4, 7230335), (5, 5784268), (7, 4131620), (10, 2892134), (14, 2065810), (20, 1446067), (28, 1032905), (35, 826324), (70, 413162), (140, 206581), (337, 85820), (613, 47180), (674, 42910), (1226, 23590), (1348, 21455), (1685, 17164), (2359, 12260), (2452, 11795), (3065, 9436), (3370, 8582), (4291, 6740), (4718, 6130)]