218974900

素因数分解:

$2^2\times 5^2\times {\mathrm{443}}^1\times {\mathrm{4943}}^1$

素因数の和:5400

約数の個数: 36

約数和(自身を含む): 476344512

約数和(自身を除く): 257369612

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 443, 886, 1772, 2215, 4430, 4943, 8860, 9886, 11075, 19772, 22150, 24715, 44300, 49430, 98860, 123575, 247150, 494300, 2189749, 4379498, 8758996, 10948745, 21897490, 43794980, 54743725, 109487450, 218974900]

約数ペア:

[(1, 218974900), (2, 109487450), (4, 54743725), (5, 43794980), (10, 21897490), (20, 10948745), (25, 8758996), (50, 4379498), (100, 2189749), (443, 494300), (886, 247150), (1772, 123575), (2215, 98860), (4430, 49430), (4943, 44300), (8860, 24715), (9886, 22150), (11075, 19772)]