289412864

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1$

素因数の和:270

約数の個数: 144

約数和(自身を含む): 686784000

約数和(自身を除く): 397371136

約数列:

[1, 2, 4, 8, 13, 16, 19, 23, 26, 32, 38, 46, 52, 64, 76, 92, 104, 128, 152, 184, 199, 208, 247, 256, 299, 304, 368, 398, 416, 437, 494, 598, 608, 736, 796, 832, 874, 988, 1196, 1216, 1472, 1592, 1664, 1748, 1976, 2392, 2432, 2587, 2944, 3184, 3328, 3496, 3781, 3952, 4577, 4784, 4864, 5174, 5681, 5888, 6368, 6992, 7562, 7904, 9154, 9568, 10348, 11362, 12736, 13984, 15124, 15808, 18308, 19136, 20696, 22724, 25472, 27968, 30248, 31616, 36616, 38272, 41392, 45448, 49153, 50944, 55936, 59501, 60496, 63232, 73232, 76544, 82784, 86963, 90896, 98306, 111872, 119002, 120992, 146464, 165568, 173926, 181792, 196612, 238004, 241984, 292928, 331136, 347852, 363584, 393224, 476008, 483968, 585856, 662272, 695704, 727168, 786448, 952016, 967936, 1130519, 1171712, 1391408, 1454336, 1572896, 1904032, 2261038, 2782816, 3145792, 3808064, 4522076, 5565632, 6291584, 7616128, 9044152, 11131264, 12583168, 15232256, 18088304, 22262528, 36176608, 72353216, 144706432, 289412864]

約数ペア:

[(1, 289412864), (2, 144706432), (4, 72353216), (8, 36176608), (13, 22262528), (16, 18088304), (19, 15232256), (23, 12583168), (26, 11131264), (32, 9044152), (38, 7616128), (46, 6291584), (52, 5565632), (64, 4522076), (76, 3808064), (92, 3145792), (104, 2782816), (128, 2261038), (152, 1904032), (184, 1572896), (199, 1454336), (208, 1391408), (247, 1171712), (256, 1130519), (299, 967936), (304, 952016), (368, 786448), (398, 727168), (416, 695704), (437, 662272), (494, 585856), (598, 483968), (608, 476008), (736, 393224), (796, 363584), (832, 347852), (874, 331136), (988, 292928), (1196, 241984), (1216, 238004), (1472, 196612), (1592, 181792), (1664, 173926), (1748, 165568), (1976, 146464), (2392, 120992), (2432, 119002), (2587, 111872), (2944, 98306), (3184, 90896), (3328, 86963), (3496, 82784), (3781, 76544), (3952, 73232), (4577, 63232), (4784, 60496), (4864, 59501), (5174, 55936), (5681, 50944), (5888, 49153), (6368, 45448), (6992, 41392), (7562, 38272), (7904, 36616), (9154, 31616), (9568, 30248), (10348, 27968), (11362, 25472), (12736, 22724), (13984, 20696), (15124, 19136), (15808, 18308)]