140457680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{827}}^1$

素因数の和:1044

約数の個数: 80

約数和(自身を含む): 358530624

約数和(自身を除く): 218072944

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 193, 220, 386, 440, 772, 827, 880, 965, 1544, 1654, 1930, 2123, 3088, 3308, 3860, 4135, 4246, 6616, 7720, 8270, 8492, 9097, 10615, 13232, 15440, 16540, 16984, 18194, 21230, 33080, 33968, 36388, 42460, 45485, 66160, 72776, 84920, 90970, 145552, 159611, 169840, 181940, 319222, 363880, 638444, 727760, 798055, 1276888, 1596110, 1755721, 2553776, 3192220, 3511442, 6384440, 7022884, 8778605, 12768880, 14045768, 17557210, 28091536, 35114420, 70228840, 140457680]

約数ペア:

[(1, 140457680), (2, 70228840), (4, 35114420), (5, 28091536), (8, 17557210), (10, 14045768), (11, 12768880), (16, 8778605), (20, 7022884), (22, 6384440), (40, 3511442), (44, 3192220), (55, 2553776), (80, 1755721), (88, 1596110), (110, 1276888), (176, 798055), (193, 727760), (220, 638444), (386, 363880), (440, 319222), (772, 181940), (827, 169840), (880, 159611), (965, 145552), (1544, 90970), (1654, 84920), (1930, 72776), (2123, 66160), (3088, 45485), (3308, 42460), (3860, 36388), (4135, 33968), (4246, 33080), (6616, 21230), (7720, 18194), (8270, 16984), (8492, 16540), (9097, 15440), (10615, 13232)]