222748060

素因数分解:

$2^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{17321}}^1$

素因数の和:17973

約数の個数: 24

約数和(自身を含む): 468525456

約数和(自身を除く): 245777396

約数列:

[1, 2, 4, 5, 10, 20, 643, 1286, 2572, 3215, 6430, 12860, 17321, 34642, 69284, 86605, 173210, 346420, 11137403, 22274806, 44549612, 55687015, 111374030, 222748060]

約数ペア:

[(1, 222748060), (2, 111374030), (4, 55687015), (5, 44549612), (10, 22274806), (20, 11137403), (643, 346420), (1286, 173210), (2572, 86605), (3215, 69284), (6430, 34642), (12860, 17321)]