220551472

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1$

素因数の和:350

約数の個数: 80

約数和(自身を含む): 469925280

約数和(自身を除く): 249373808

約数列:

[1, 2, 4, 8, 16, 17, 34, 43, 68, 86, 109, 136, 172, 173, 218, 272, 344, 346, 436, 688, 692, 731, 872, 1384, 1462, 1744, 1853, 2768, 2924, 2941, 3706, 4687, 5848, 5882, 7412, 7439, 9374, 11696, 11764, 14824, 14878, 18748, 18857, 23528, 29648, 29756, 37496, 37714, 47056, 59512, 74992, 75428, 79679, 119024, 126463, 150856, 159358, 252926, 301712, 318716, 320569, 505852, 637432, 641138, 810851, 1011704, 1274864, 1282276, 1621702, 2023408, 2564552, 3243404, 5129104, 6486808, 12973616, 13784467, 27568934, 55137868, 110275736, 220551472]

約数ペア:

[(1, 220551472), (2, 110275736), (4, 55137868), (8, 27568934), (16, 13784467), (17, 12973616), (34, 6486808), (43, 5129104), (68, 3243404), (86, 2564552), (109, 2023408), (136, 1621702), (172, 1282276), (173, 1274864), (218, 1011704), (272, 810851), (344, 641138), (346, 637432), (436, 505852), (688, 320569), (692, 318716), (731, 301712), (872, 252926), (1384, 159358), (1462, 150856), (1744, 126463), (1853, 119024), (2768, 79679), (2924, 75428), (2941, 74992), (3706, 59512), (4687, 47056), (5848, 37714), (5882, 37496), (7412, 29756), (7439, 29648), (9374, 23528), (11696, 18857), (11764, 18748), (14824, 14878)]