256220910

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{258809}}^1$

素因数の和:258833

約数の個数: 48

約数和(自身を含む): 726738480

約数和(自身を除く): 470517570

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 258809, 517618, 776427, 1294045, 1552854, 2329281, 2588090, 2846899, 3882135, 4658562, 5693798, 7764270, 8540697, 11646405, 14234495, 17081394, 23292810, 25622091, 28468990, 42703485, 51244182, 85406970, 128110455, 256220910]

約数ペア:

[(1, 256220910), (2, 128110455), (3, 85406970), (5, 51244182), (6, 42703485), (9, 28468990), (10, 25622091), (11, 23292810), (15, 17081394), (18, 14234495), (22, 11646405), (30, 8540697), (33, 7764270), (45, 5693798), (55, 4658562), (66, 3882135), (90, 2846899), (99, 2588090), (110, 2329281), (165, 1552854), (198, 1294045), (330, 776427), (495, 517618), (990, 258809)]