8545180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{911}}^1$

素因数の和:994

約数の個数: 48

約数和(自身を含む): 20837376

約数和(自身を除く): 12292196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 268, 335, 469, 670, 911, 938, 1340, 1822, 1876, 2345, 3644, 4555, 4690, 6377, 9110, 9380, 12754, 18220, 25508, 31885, 61037, 63770, 122074, 127540, 244148, 305185, 427259, 610370, 854518, 1220740, 1709036, 2136295, 4272590, 8545180]

約数ペア:

[(1, 8545180), (2, 4272590), (4, 2136295), (5, 1709036), (7, 1220740), (10, 854518), (14, 610370), (20, 427259), (28, 305185), (35, 244148), (67, 127540), (70, 122074), (134, 63770), (140, 61037), (268, 31885), (335, 25508), (469, 18220), (670, 12754), (911, 9380), (938, 9110), (1340, 6377), (1822, 4690), (1876, 4555), (2345, 3644)]