1814980384

素因数分解:

$2^5\times 7^3\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:256

約数の個数: 192

約数和(自身を含む): 4506969600

約数和(自身を除く): 2691989216

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 49, 56, 68, 71, 98, 112, 119, 136, 137, 142, 196, 224, 238, 272, 274, 284, 343, 392, 476, 497, 544, 548, 568, 686, 784, 833, 952, 959, 994, 1096, 1136, 1207, 1372, 1568, 1666, 1904, 1918, 1988, 2192, 2272, 2329, 2414, 2744, 3332, 3479, 3808, 3836, 3976, 4384, 4658, 4828, 5488, 5831, 6664, 6713, 6958, 7672, 7952, 8449, 9316, 9656, 9727, 10976, 11662, 13328, 13426, 13916, 15344, 15904, 16303, 16898, 18632, 19312, 19454, 23324, 24353, 26656, 26852, 27832, 30688, 32606, 33796, 37264, 38624, 38908, 46648, 46991, 48706, 53704, 55664, 59143, 65212, 67592, 68089, 74528, 77816, 93296, 93982, 97412, 107408, 111328, 114121, 118286, 130424, 135184, 136178, 155632, 165359, 186592, 187964, 194824, 214816, 228242, 236572, 260848, 270368, 272356, 311264, 330718, 375928, 389648, 414001, 456484, 473144, 476623, 521696, 544712, 661436, 751856, 779296, 798847, 828002, 912968, 946288, 953246, 1089424, 1157513, 1322872, 1503712, 1597694, 1656004, 1825936, 1892576, 1906492, 2178848, 2315026, 2645744, 3195388, 3312008, 3336361, 3651872, 3812984, 4630052, 5291488, 6390776, 6624016, 6672722, 7625968, 8102591, 9260104, 12781552, 13248032, 13345444, 15251936, 16205182, 18520208, 25563104, 26690888, 32410364, 37040416, 53381776, 56718137, 64820728, 106763552, 113436274, 129641456, 226872548, 259282912, 453745096, 907490192, 1814980384]

約数ペア:

[(1, 1814980384), (2, 907490192), (4, 453745096), (7, 259282912), (8, 226872548), (14, 129641456), (16, 113436274), (17, 106763552), (28, 64820728), (32, 56718137), (34, 53381776), (49, 37040416), (56, 32410364), (68, 26690888), (71, 25563104), (98, 18520208), (112, 16205182), (119, 15251936), (136, 13345444), (137, 13248032), (142, 12781552), (196, 9260104), (224, 8102591), (238, 7625968), (272, 6672722), (274, 6624016), (284, 6390776), (343, 5291488), (392, 4630052), (476, 3812984), (497, 3651872), (544, 3336361), (548, 3312008), (568, 3195388), (686, 2645744), (784, 2315026), (833, 2178848), (952, 1906492), (959, 1892576), (994, 1825936), (1096, 1656004), (1136, 1597694), (1207, 1503712), (1372, 1322872), (1568, 1157513), (1666, 1089424), (1904, 953246), (1918, 946288), (1988, 912968), (2192, 828002), (2272, 798847), (2329, 779296), (2414, 751856), (2744, 661436), (3332, 544712), (3479, 521696), (3808, 476623), (3836, 473144), (3976, 456484), (4384, 414001), (4658, 389648), (4828, 375928), (5488, 330718), (5831, 311264), (6664, 272356), (6713, 270368), (6958, 260848), (7672, 236572), (7952, 228242), (8449, 214816), (9316, 194824), (9656, 187964), (9727, 186592), (10976, 165359), (11662, 155632), (13328, 136178), (13426, 135184), (13916, 130424), (15344, 118286), (15904, 114121), (16303, 111328), (16898, 107408), (18632, 97412), (19312, 93982), (19454, 93296), (23324, 77816), (24353, 74528), (26656, 68089), (26852, 67592), (27832, 65212), (30688, 59143), (32606, 55664), (33796, 53704), (37264, 48706), (38624, 46991), (38908, 46648)]