222812920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{506393}}^1$

素因数の和:506415

約数の個数: 32

約数和(自身を含む): 546905520

約数和(自身を除く): 324092600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 506393, 1012786, 2025572, 2531965, 4051144, 5063930, 5570323, 10127860, 11140646, 20255720, 22281292, 27851615, 44562584, 55703230, 111406460, 222812920]

約数ペア:

[(1, 222812920), (2, 111406460), (4, 55703230), (5, 44562584), (8, 27851615), (10, 22281292), (11, 20255720), (20, 11140646), (22, 10127860), (40, 5570323), (44, 5063930), (55, 4051144), (88, 2531965), (110, 2025572), (220, 1012786), (440, 506393)]