253663760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{2347}}^1$

素因数の和:2560

約数の個数: 80

約数和(自身を含む): 677801856

約数和(自身を除く): 424138096

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 193, 280, 386, 560, 772, 965, 1351, 1544, 1930, 2347, 2702, 3088, 3860, 4694, 5404, 6755, 7720, 9388, 10808, 11735, 13510, 15440, 16429, 18776, 21616, 23470, 27020, 32858, 37552, 46940, 54040, 65716, 82145, 93880, 108080, 131432, 164290, 187760, 262864, 328580, 452971, 657160, 905942, 1314320, 1811884, 2264855, 3170797, 3623768, 4529710, 6341594, 7247536, 9059420, 12683188, 15853985, 18118840, 25366376, 31707970, 36237680, 50732752, 63415940, 126831880, 253663760]

約数ペア:

[(1, 253663760), (2, 126831880), (4, 63415940), (5, 50732752), (7, 36237680), (8, 31707970), (10, 25366376), (14, 18118840), (16, 15853985), (20, 12683188), (28, 9059420), (35, 7247536), (40, 6341594), (56, 4529710), (70, 3623768), (80, 3170797), (112, 2264855), (140, 1811884), (193, 1314320), (280, 905942), (386, 657160), (560, 452971), (772, 328580), (965, 262864), (1351, 187760), (1544, 164290), (1930, 131432), (2347, 108080), (2702, 93880), (3088, 82145), (3860, 65716), (4694, 54040), (5404, 46940), (6755, 37552), (7720, 32858), (9388, 27020), (10808, 23470), (11735, 21616), (13510, 18776), (15440, 16429)]