205410864

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{1811}}^1$

素因数の和:1978

約数の個数: 80

約数和(自身を含む): 566213760

約数和(自身を除く): 360802896

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 139, 204, 272, 278, 408, 417, 556, 816, 834, 1112, 1668, 1811, 2224, 2363, 3336, 3622, 4726, 5433, 6672, 7089, 7244, 9452, 10866, 14178, 14488, 18904, 21732, 28356, 28976, 30787, 37808, 43464, 56712, 61574, 86928, 92361, 113424, 123148, 184722, 246296, 251729, 369444, 492592, 503458, 738888, 755187, 1006916, 1477776, 1510374, 2013832, 3020748, 4027664, 4279393, 6041496, 8558786, 12082992, 12838179, 17117572, 25676358, 34235144, 51352716, 68470288, 102705432, 205410864]

約数ペア:

[(1, 205410864), (2, 102705432), (3, 68470288), (4, 51352716), (6, 34235144), (8, 25676358), (12, 17117572), (16, 12838179), (17, 12082992), (24, 8558786), (34, 6041496), (48, 4279393), (51, 4027664), (68, 3020748), (102, 2013832), (136, 1510374), (139, 1477776), (204, 1006916), (272, 755187), (278, 738888), (408, 503458), (417, 492592), (556, 369444), (816, 251729), (834, 246296), (1112, 184722), (1668, 123148), (1811, 113424), (2224, 92361), (2363, 86928), (3336, 61574), (3622, 56712), (4726, 43464), (5433, 37808), (6672, 30787), (7089, 28976), (7244, 28356), (9452, 21732), (10866, 18904), (14178, 14488)]