395901440

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{827}}^1$

素因数の和:878

約数の個数: 160

約数和(自身を含む): 1097769024

約数和(自身を除く): 701867584

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 64, 68, 80, 85, 88, 110, 128, 136, 160, 170, 176, 187, 220, 256, 272, 320, 340, 352, 374, 440, 512, 544, 640, 680, 704, 748, 827, 880, 935, 1088, 1280, 1360, 1408, 1496, 1654, 1760, 1870, 2176, 2560, 2720, 2816, 2992, 3308, 3520, 3740, 4135, 4352, 5440, 5632, 5984, 6616, 7040, 7480, 8270, 8704, 9097, 10880, 11968, 13232, 14059, 14080, 14960, 16540, 18194, 21760, 23936, 26464, 28118, 28160, 29920, 33080, 36388, 43520, 45485, 47872, 52928, 56236, 59840, 66160, 70295, 72776, 90970, 95744, 105856, 112472, 119680, 132320, 140590, 145552, 154649, 181940, 211712, 224944, 239360, 264640, 281180, 291104, 309298, 363880, 423424, 449888, 478720, 529280, 562360, 582208, 618596, 727760, 773245, 899776, 1058560, 1124720, 1164416, 1237192, 1455520, 1546490, 1799552, 2117120, 2249440, 2328832, 2474384, 2911040, 3092980, 3599104, 4498880, 4657664, 4948768, 5822080, 6185960, 7198208, 8997760, 9897536, 11644160, 12371920, 17995520, 19795072, 23288320, 24743840, 35991040, 39590144, 49487680, 79180288, 98975360, 197950720, 395901440]

約数ペア:

[(1, 395901440), (2, 197950720), (4, 98975360), (5, 79180288), (8, 49487680), (10, 39590144), (11, 35991040), (16, 24743840), (17, 23288320), (20, 19795072), (22, 17995520), (32, 12371920), (34, 11644160), (40, 9897536), (44, 8997760), (55, 7198208), (64, 6185960), (68, 5822080), (80, 4948768), (85, 4657664), (88, 4498880), (110, 3599104), (128, 3092980), (136, 2911040), (160, 2474384), (170, 2328832), (176, 2249440), (187, 2117120), (220, 1799552), (256, 1546490), (272, 1455520), (320, 1237192), (340, 1164416), (352, 1124720), (374, 1058560), (440, 899776), (512, 773245), (544, 727760), (640, 618596), (680, 582208), (704, 562360), (748, 529280), (827, 478720), (880, 449888), (935, 423424), (1088, 363880), (1280, 309298), (1360, 291104), (1408, 281180), (1496, 264640), (1654, 239360), (1760, 224944), (1870, 211712), (2176, 181940), (2560, 154649), (2720, 145552), (2816, 140590), (2992, 132320), (3308, 119680), (3520, 112472), (3740, 105856), (4135, 95744), (4352, 90970), (5440, 72776), (5632, 70295), (5984, 66160), (6616, 59840), (7040, 56236), (7480, 52928), (8270, 47872), (8704, 45485), (9097, 43520), (10880, 36388), (11968, 33080), (13232, 29920), (14059, 28160), (14080, 28118), (14960, 26464), (16540, 23936), (18194, 21760)]