1388611840

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1$

素因数の和:305

約数の個数: 288

約数和(自身を含む): 4225487616

約数和(自身を除く): 2836875776

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 73, 77, 80, 88, 110, 112, 128, 140, 146, 154, 160, 176, 193, 220, 224, 256, 280, 292, 308, 320, 352, 365, 385, 386, 440, 448, 511, 560, 584, 616, 640, 704, 730, 770, 772, 803, 880, 896, 965, 1022, 1120, 1168, 1232, 1280, 1351, 1408, 1460, 1540, 1544, 1606, 1760, 1792, 1930, 2044, 2123, 2240, 2336, 2464, 2555, 2702, 2816, 2920, 3080, 3088, 3212, 3520, 3860, 4015, 4088, 4246, 4480, 4672, 4928, 5110, 5404, 5621, 5840, 6160, 6176, 6424, 6755, 7040, 7720, 8030, 8176, 8492, 8960, 9344, 9856, 10220, 10615, 10808, 11242, 11680, 12320, 12352, 12848, 13510, 14080, 14089, 14861, 15440, 16060, 16352, 16984, 18688, 19712, 20440, 21230, 21616, 22484, 23360, 24640, 24704, 25696, 27020, 28105, 28178, 29722, 30880, 32120, 32704, 33968, 40880, 42460, 43232, 44968, 46720, 49280, 49408, 51392, 54040, 56210, 56356, 59444, 61760, 64240, 65408, 67936, 70445, 74305, 81760, 84920, 86464, 89936, 93440, 98560, 98623, 102784, 108080, 112420, 112712, 118888, 123520, 128480, 130816, 135872, 140890, 148610, 154979, 163520, 169840, 172928, 179872, 197246, 205568, 216160, 224840, 225424, 237776, 247040, 256960, 271744, 281780, 297220, 309958, 327040, 339680, 345856, 359744, 394492, 432320, 449680, 450848, 475552, 493115, 513920, 543488, 563560, 594440, 619916, 654080, 679360, 719488, 774895, 788984, 864640, 899360, 901696, 951104, 986230, 1027840, 1084853, 1127120, 1188880, 1239832, 1358720, 1438976, 1549790, 1577968, 1729280, 1798720, 1803392, 1902208, 1972460, 2169706, 2254240, 2377760, 2479664, 2717440, 3099580, 3155936, 3597440, 3606784, 3804416, 3944920, 4339412, 4508480, 4755520, 4959328, 5424265, 6199160, 6311872, 7194880, 7889840, 8678824, 9016960, 9511040, 9918656, 10848530, 12398320, 12623744, 15779680, 17357648, 18033920, 19022080, 19837312, 21697060, 24796640, 25247488, 31559360, 34715296, 39674624, 43394120, 49593280, 63118720, 69430592, 86788240, 99186560, 126237440, 138861184, 173576480, 198373120, 277722368, 347152960, 694305920, 1388611840]

約数ペア:

[(1, 1388611840), (2, 694305920), (4, 347152960), (5, 277722368), (7, 198373120), (8, 173576480), (10, 138861184), (11, 126237440), (14, 99186560), (16, 86788240), (20, 69430592), (22, 63118720), (28, 49593280), (32, 43394120), (35, 39674624), (40, 34715296), (44, 31559360), (55, 25247488), (56, 24796640), (64, 21697060), (70, 19837312), (73, 19022080), (77, 18033920), (80, 17357648), (88, 15779680), (110, 12623744), (112, 12398320), (128, 10848530), (140, 9918656), (146, 9511040), (154, 9016960), (160, 8678824), (176, 7889840), (193, 7194880), (220, 6311872), (224, 6199160), (256, 5424265), (280, 4959328), (292, 4755520), (308, 4508480), (320, 4339412), (352, 3944920), (365, 3804416), (385, 3606784), (386, 3597440), (440, 3155936), (448, 3099580), (511, 2717440), (560, 2479664), (584, 2377760), (616, 2254240), (640, 2169706), (704, 1972460), (730, 1902208), (770, 1803392), (772, 1798720), (803, 1729280), (880, 1577968), (896, 1549790), (965, 1438976), (1022, 1358720), (1120, 1239832), (1168, 1188880), (1232, 1127120), (1280, 1084853), (1351, 1027840), (1408, 986230), (1460, 951104), (1540, 901696), (1544, 899360), (1606, 864640), (1760, 788984), (1792, 774895), (1930, 719488), (2044, 679360), (2123, 654080), (2240, 619916), (2336, 594440), (2464, 563560), (2555, 543488), (2702, 513920), (2816, 493115), (2920, 475552), (3080, 450848), (3088, 449680), (3212, 432320), (3520, 394492), (3860, 359744), (4015, 345856), (4088, 339680), (4246, 327040), (4480, 309958), (4672, 297220), (4928, 281780), (5110, 271744), (5404, 256960), (5621, 247040), (5840, 237776), (6160, 225424), (6176, 224840), (6424, 216160), (6755, 205568), (7040, 197246), (7720, 179872), (8030, 172928), (8176, 169840), (8492, 163520), (8960, 154979), (9344, 148610), (9856, 140890), (10220, 135872), (10615, 130816), (10808, 128480), (11242, 123520), (11680, 118888), (12320, 112712), (12352, 112420), (12848, 108080), (13510, 102784), (14080, 98623), (14089, 98560), (14861, 93440), (15440, 89936), (16060, 86464), (16352, 84920), (16984, 81760), (18688, 74305), (19712, 70445), (20440, 67936), (21230, 65408), (21616, 64240), (22484, 61760), (23360, 59444), (24640, 56356), (24704, 56210), (25696, 54040), (27020, 51392), (28105, 49408), (28178, 49280), (29722, 46720), (30880, 44968), (32120, 43232), (32704, 42460), (33968, 40880)]