221579440

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1\times {\mathrm{193}}^1$

素因数の和:446

約数の個数: 80

約数和(自身を含む): 526537728

約数和(自身を除く): 304958288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 127, 193, 226, 254, 386, 452, 508, 565, 635, 772, 904, 965, 1016, 1130, 1270, 1544, 1808, 1930, 2032, 2260, 2540, 3088, 3860, 4520, 5080, 7720, 9040, 10160, 14351, 15440, 21809, 24511, 28702, 43618, 49022, 57404, 71755, 87236, 98044, 109045, 114808, 122555, 143510, 174472, 196088, 218090, 229616, 245110, 287020, 348944, 392176, 436180, 490220, 574040, 872360, 980440, 1148080, 1744720, 1960880, 2769743, 5539486, 11078972, 13848715, 22157944, 27697430, 44315888, 55394860, 110789720, 221579440]

約数ペア:

[(1, 221579440), (2, 110789720), (4, 55394860), (5, 44315888), (8, 27697430), (10, 22157944), (16, 13848715), (20, 11078972), (40, 5539486), (80, 2769743), (113, 1960880), (127, 1744720), (193, 1148080), (226, 980440), (254, 872360), (386, 574040), (452, 490220), (508, 436180), (565, 392176), (635, 348944), (772, 287020), (904, 245110), (965, 229616), (1016, 218090), (1130, 196088), (1270, 174472), (1544, 143510), (1808, 122555), (1930, 114808), (2032, 109045), (2260, 98044), (2540, 87236), (3088, 71755), (3860, 57404), (4520, 49022), (5080, 43618), (7720, 28702), (9040, 24511), (10160, 21809), (14351, 15440)]