381312316

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:200

約数の個数: 144

約数和(自身を含む): 893555712

約数和(自身を除く): 512243396

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 47, 49, 53, 71, 77, 94, 98, 106, 142, 154, 188, 196, 212, 284, 308, 329, 371, 497, 517, 539, 583, 658, 742, 781, 994, 1034, 1078, 1166, 1316, 1484, 1562, 1988, 2068, 2156, 2303, 2332, 2491, 2597, 3124, 3337, 3479, 3619, 3763, 4081, 4606, 4982, 5194, 5467, 6674, 6958, 7238, 7526, 8162, 9212, 9964, 10388, 10934, 13348, 13916, 14476, 15052, 16324, 17437, 21868, 23359, 25333, 26341, 27401, 28567, 34874, 36707, 38269, 41393, 46718, 50666, 52682, 54802, 57134, 69748, 73414, 76538, 82786, 93436, 101332, 105364, 109604, 114268, 122059, 146828, 153076, 163513, 165572, 176861, 184387, 191807, 244118, 256949, 289751, 327026, 353722, 368774, 383614, 488236, 513898, 579502, 654052, 707444, 737548, 767228, 1027796, 1159004, 1238027, 1342649, 1798643, 1945471, 2028257, 2476054, 2685298, 3597286, 3890942, 4056514, 4952108, 5370596, 7194572, 7781884, 8113028, 8666189, 13618297, 17332378, 27236594, 34664756, 54473188, 95328079, 190656158, 381312316]

約数ペア:

[(1, 381312316), (2, 190656158), (4, 95328079), (7, 54473188), (11, 34664756), (14, 27236594), (22, 17332378), (28, 13618297), (44, 8666189), (47, 8113028), (49, 7781884), (53, 7194572), (71, 5370596), (77, 4952108), (94, 4056514), (98, 3890942), (106, 3597286), (142, 2685298), (154, 2476054), (188, 2028257), (196, 1945471), (212, 1798643), (284, 1342649), (308, 1238027), (329, 1159004), (371, 1027796), (497, 767228), (517, 737548), (539, 707444), (583, 654052), (658, 579502), (742, 513898), (781, 488236), (994, 383614), (1034, 368774), (1078, 353722), (1166, 327026), (1316, 289751), (1484, 256949), (1562, 244118), (1988, 191807), (2068, 184387), (2156, 176861), (2303, 165572), (2332, 163513), (2491, 153076), (2597, 146828), (3124, 122059), (3337, 114268), (3479, 109604), (3619, 105364), (3763, 101332), (4081, 93436), (4606, 82786), (4982, 76538), (5194, 73414), (5467, 69748), (6674, 57134), (6958, 54802), (7238, 52682), (7526, 50666), (8162, 46718), (9212, 41393), (9964, 38269), (10388, 36707), (10934, 34874), (13348, 28567), (13916, 27401), (14476, 26341), (15052, 25333), (16324, 23359), (17437, 21868)]