320834752

素因数分解:

$2^6\times 7^2\times {\mathrm{263}}^1\times {\mathrm{389}}^1$

素因数の和:678

約数の個数: 84

約数和(自身を含む): 745327440

約数和(自身を除く): 424492688

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 263, 389, 392, 448, 526, 778, 784, 1052, 1556, 1568, 1841, 2104, 2723, 3112, 3136, 3682, 4208, 5446, 6224, 7364, 8416, 10892, 12448, 12887, 14728, 16832, 19061, 21784, 24896, 25774, 29456, 38122, 43568, 51548, 58912, 76244, 87136, 102307, 103096, 117824, 152488, 174272, 204614, 206192, 304976, 409228, 412384, 609952, 716149, 818456, 824768, 1219904, 1432298, 1636912, 2864596, 3273824, 5013043, 5729192, 6547648, 10026086, 11458384, 20052172, 22916768, 40104344, 45833536, 80208688, 160417376, 320834752]

約数ペア:

[(1, 320834752), (2, 160417376), (4, 80208688), (7, 45833536), (8, 40104344), (14, 22916768), (16, 20052172), (28, 11458384), (32, 10026086), (49, 6547648), (56, 5729192), (64, 5013043), (98, 3273824), (112, 2864596), (196, 1636912), (224, 1432298), (263, 1219904), (389, 824768), (392, 818456), (448, 716149), (526, 609952), (778, 412384), (784, 409228), (1052, 304976), (1556, 206192), (1568, 204614), (1841, 174272), (2104, 152488), (2723, 117824), (3112, 103096), (3136, 102307), (3682, 87136), (4208, 76244), (5446, 58912), (6224, 51548), (7364, 43568), (8416, 38122), (10892, 29456), (12448, 25774), (12887, 24896), (14728, 21784), (16832, 19061)]