28965440

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1$

素因数の和:284

約数の個数: 112

約数和(自身を含む): 80418432

約数和(自身を除く): 51452992

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 67, 70, 80, 112, 134, 140, 160, 193, 224, 268, 280, 320, 335, 386, 448, 469, 536, 560, 670, 772, 938, 965, 1072, 1120, 1340, 1351, 1544, 1876, 1930, 2144, 2240, 2345, 2680, 2702, 3088, 3752, 3860, 4288, 4690, 5360, 5404, 6176, 6755, 7504, 7720, 9380, 10720, 10808, 12352, 12931, 13510, 15008, 15440, 18760, 21440, 21616, 25862, 27020, 30016, 30880, 37520, 43232, 51724, 54040, 61760, 64655, 75040, 86464, 90517, 103448, 108080, 129310, 150080, 181034, 206896, 216160, 258620, 362068, 413792, 432320, 452585, 517240, 724136, 827584, 905170, 1034480, 1448272, 1810340, 2068960, 2896544, 3620680, 4137920, 5793088, 7241360, 14482720, 28965440]

約数ペア:

[(1, 28965440), (2, 14482720), (4, 7241360), (5, 5793088), (7, 4137920), (8, 3620680), (10, 2896544), (14, 2068960), (16, 1810340), (20, 1448272), (28, 1034480), (32, 905170), (35, 827584), (40, 724136), (56, 517240), (64, 452585), (67, 432320), (70, 413792), (80, 362068), (112, 258620), (134, 216160), (140, 206896), (160, 181034), (193, 150080), (224, 129310), (268, 108080), (280, 103448), (320, 90517), (335, 86464), (386, 75040), (448, 64655), (469, 61760), (536, 54040), (560, 51724), (670, 43232), (772, 37520), (938, 30880), (965, 30016), (1072, 27020), (1120, 25862), (1340, 21616), (1351, 21440), (1544, 18760), (1876, 15440), (1930, 15008), (2144, 13510), (2240, 12931), (2345, 12352), (2680, 10808), (2702, 10720), (3088, 9380), (3752, 7720), (3860, 7504), (4288, 6755), (4690, 6176), (5360, 5404)]