178234728

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{239}}^1$

素因数の和:471

約数の個数: 128

約数和(自身を含む): 536371200

約数和(自身を除く): 358136472

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 23, 24, 28, 42, 46, 56, 69, 84, 92, 138, 161, 168, 184, 193, 239, 276, 322, 386, 478, 483, 552, 579, 644, 717, 772, 956, 966, 1158, 1288, 1351, 1434, 1544, 1673, 1912, 1932, 2316, 2702, 2868, 3346, 3864, 4053, 4439, 4632, 5019, 5404, 5497, 5736, 6692, 8106, 8878, 10038, 10808, 10994, 13317, 13384, 16212, 16491, 17756, 20076, 21988, 26634, 31073, 32424, 32982, 35512, 38479, 40152, 43976, 46127, 53268, 62146, 65964, 76958, 92254, 93219, 106536, 115437, 124292, 131928, 138381, 153916, 184508, 186438, 230874, 248584, 276762, 307832, 322889, 369016, 372876, 461748, 553524, 645778, 745752, 923496, 968667, 1060921, 1107048, 1291556, 1937334, 2121842, 2583112, 3182763, 3874668, 4243684, 6365526, 7426447, 7749336, 8487368, 12731052, 14852894, 22279341, 25462104, 29705788, 44558682, 59411576, 89117364, 178234728]

約数ペア:

[(1, 178234728), (2, 89117364), (3, 59411576), (4, 44558682), (6, 29705788), (7, 25462104), (8, 22279341), (12, 14852894), (14, 12731052), (21, 8487368), (23, 7749336), (24, 7426447), (28, 6365526), (42, 4243684), (46, 3874668), (56, 3182763), (69, 2583112), (84, 2121842), (92, 1937334), (138, 1291556), (161, 1107048), (168, 1060921), (184, 968667), (193, 923496), (239, 745752), (276, 645778), (322, 553524), (386, 461748), (478, 372876), (483, 369016), (552, 322889), (579, 307832), (644, 276762), (717, 248584), (772, 230874), (956, 186438), (966, 184508), (1158, 153916), (1288, 138381), (1351, 131928), (1434, 124292), (1544, 115437), (1673, 106536), (1912, 93219), (1932, 92254), (2316, 76958), (2702, 65964), (2868, 62146), (3346, 53268), (3864, 46127), (4053, 43976), (4439, 40152), (4632, 38479), (5019, 35512), (5404, 32982), (5497, 32424), (5736, 31073), (6692, 26634), (8106, 21988), (8878, 20076), (10038, 17756), (10808, 16491), (10994, 16212), (13317, 13384)]