279662992

素因数分解:

$2^4\times 7^3\times {\mathrm{131}}^1\times {\mathrm{389}}^1$

素因数の和:549

約数の個数: 80

約数和(自身を含む): 638352000

約数和(自身を除く): 358689008

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 131, 196, 262, 343, 389, 392, 524, 686, 778, 784, 917, 1048, 1372, 1556, 1834, 2096, 2723, 2744, 3112, 3668, 5446, 5488, 6224, 6419, 7336, 10892, 12838, 14672, 19061, 21784, 25676, 38122, 43568, 44933, 50959, 51352, 76244, 89866, 101918, 102704, 133427, 152488, 179732, 203836, 266854, 304976, 356713, 359464, 407672, 533708, 713426, 718928, 815344, 1067416, 1426852, 2134832, 2496991, 2853704, 4993982, 5707408, 9987964, 17478937, 19975928, 34957874, 39951856, 69915748, 139831496, 279662992]

約数ペア:

[(1, 279662992), (2, 139831496), (4, 69915748), (7, 39951856), (8, 34957874), (14, 19975928), (16, 17478937), (28, 9987964), (49, 5707408), (56, 4993982), (98, 2853704), (112, 2496991), (131, 2134832), (196, 1426852), (262, 1067416), (343, 815344), (389, 718928), (392, 713426), (524, 533708), (686, 407672), (778, 359464), (784, 356713), (917, 304976), (1048, 266854), (1372, 203836), (1556, 179732), (1834, 152488), (2096, 133427), (2723, 102704), (2744, 101918), (3112, 89866), (3668, 76244), (5446, 51352), (5488, 50959), (6224, 44933), (6419, 43568), (7336, 38122), (10892, 25676), (12838, 21784), (14672, 19061)]