399570304

素因数分解:

$2^7\times 7^3\times {\mathrm{19}}^1\times {\mathrm{479}}^1$

素因数の和:533

約数の個数: 128

約数和(自身を含む): 979200000

約数和(自身を除く): 579629696

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 49, 56, 64, 76, 98, 112, 128, 133, 152, 196, 224, 266, 304, 343, 392, 448, 479, 532, 608, 686, 784, 896, 931, 958, 1064, 1216, 1372, 1568, 1862, 1916, 2128, 2432, 2744, 3136, 3353, 3724, 3832, 4256, 5488, 6272, 6517, 6706, 7448, 7664, 8512, 9101, 10976, 13034, 13412, 14896, 15328, 17024, 18202, 21952, 23471, 26068, 26824, 29792, 30656, 36404, 43904, 46942, 52136, 53648, 59584, 61312, 63707, 72808, 93884, 104272, 107296, 119168, 127414, 145616, 164297, 187768, 208544, 214592, 254828, 291232, 328594, 375536, 417088, 429184, 445949, 509656, 582464, 657188, 751072, 834176, 891898, 1019312, 1164928, 1314376, 1502144, 1783796, 2038624, 2628752, 3004288, 3121643, 3567592, 4077248, 5257504, 6243286, 7135184, 8154496, 10515008, 12486572, 14270368, 21030016, 24973144, 28540736, 49946288, 57081472, 99892576, 199785152, 399570304]

約数ペア:

[(1, 399570304), (2, 199785152), (4, 99892576), (7, 57081472), (8, 49946288), (14, 28540736), (16, 24973144), (19, 21030016), (28, 14270368), (32, 12486572), (38, 10515008), (49, 8154496), (56, 7135184), (64, 6243286), (76, 5257504), (98, 4077248), (112, 3567592), (128, 3121643), (133, 3004288), (152, 2628752), (196, 2038624), (224, 1783796), (266, 1502144), (304, 1314376), (343, 1164928), (392, 1019312), (448, 891898), (479, 834176), (532, 751072), (608, 657188), (686, 582464), (784, 509656), (896, 445949), (931, 429184), (958, 417088), (1064, 375536), (1216, 328594), (1372, 291232), (1568, 254828), (1862, 214592), (1916, 208544), (2128, 187768), (2432, 164297), (2744, 145616), (3136, 127414), (3353, 119168), (3724, 107296), (3832, 104272), (4256, 93884), (5488, 72808), (6272, 63707), (6517, 61312), (6706, 59584), (7448, 53648), (7664, 52136), (8512, 46942), (9101, 43904), (10976, 36404), (13034, 30656), (13412, 29792), (14896, 26824), (15328, 26068), (17024, 23471), (18202, 21952)]