1998705408

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{179}}^1$

素因数の和:303

約数の個数: 288

約数和(自身を含む): 6404751360

約数和(自身を除く): 4406045952

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 32, 42, 48, 56, 62, 64, 67, 84, 93, 96, 112, 124, 128, 134, 168, 179, 186, 192, 201, 217, 224, 248, 256, 268, 336, 358, 372, 384, 402, 434, 448, 469, 496, 536, 537, 651, 672, 716, 744, 768, 804, 868, 896, 938, 992, 1072, 1074, 1253, 1302, 1344, 1407, 1432, 1488, 1608, 1736, 1792, 1876, 1984, 2077, 2144, 2148, 2506, 2604, 2688, 2814, 2864, 2976, 3216, 3472, 3752, 3759, 3968, 4154, 4288, 4296, 5012, 5208, 5376, 5549, 5628, 5728, 5952, 6231, 6432, 6944, 7504, 7518, 7936, 8308, 8576, 8592, 10024, 10416, 11098, 11256, 11456, 11904, 11993, 12462, 12864, 13888, 14539, 15008, 15036, 16616, 16647, 17152, 17184, 20048, 20832, 22196, 22512, 22912, 23808, 23986, 24924, 25728, 27776, 29078, 30016, 30072, 33232, 33294, 34368, 35979, 38843, 40096, 41664, 43617, 44392, 45024, 45824, 47972, 49848, 51456, 55552, 58156, 60032, 60144, 66464, 66588, 68736, 71958, 77686, 80192, 83328, 83951, 87234, 88784, 90048, 95944, 99696, 116312, 116529, 120064, 120288, 132928, 133176, 137472, 143916, 155372, 160384, 166656, 167902, 174468, 177568, 180096, 191888, 199392, 232624, 233058, 240576, 251853, 265856, 266352, 287832, 310744, 320768, 335804, 348936, 355136, 360192, 371783, 383776, 398784, 465248, 466116, 481152, 503706, 531712, 532704, 575664, 621488, 671608, 697872, 710272, 743566, 767552, 797568, 930496, 932232, 962304, 1007412, 1065408, 1115349, 1151328, 1242976, 1343216, 1395744, 1420544, 1487132, 1535104, 1595136, 1860992, 1864464, 2014824, 2130816, 2230698, 2302656, 2485952, 2602481, 2686432, 2791488, 2974264, 3070208, 3721984, 3728928, 4029648, 4261632, 4461396, 4605312, 4971904, 5204962, 5372864, 5582976, 5948528, 7457856, 7807443, 8059296, 8922792, 9210624, 9943808, 10409924, 10745728, 11165952, 11897056, 14915712, 15614886, 16118592, 17845584, 20819848, 21491456, 23794112, 29831424, 31229772, 32237184, 35691168, 41639696, 47588224, 62459544, 64474368, 71382336, 83279392, 95176448, 124919088, 142764672, 166558784, 249838176, 285529344, 333117568, 499676352, 666235136, 999352704, 1998705408]

約数ペア:

[(1, 1998705408), (2, 999352704), (3, 666235136), (4, 499676352), (6, 333117568), (7, 285529344), (8, 249838176), (12, 166558784), (14, 142764672), (16, 124919088), (21, 95176448), (24, 83279392), (28, 71382336), (31, 64474368), (32, 62459544), (42, 47588224), (48, 41639696), (56, 35691168), (62, 32237184), (64, 31229772), (67, 29831424), (84, 23794112), (93, 21491456), (96, 20819848), (112, 17845584), (124, 16118592), (128, 15614886), (134, 14915712), (168, 11897056), (179, 11165952), (186, 10745728), (192, 10409924), (201, 9943808), (217, 9210624), (224, 8922792), (248, 8059296), (256, 7807443), (268, 7457856), (336, 5948528), (358, 5582976), (372, 5372864), (384, 5204962), (402, 4971904), (434, 4605312), (448, 4461396), (469, 4261632), (496, 4029648), (536, 3728928), (537, 3721984), (651, 3070208), (672, 2974264), (716, 2791488), (744, 2686432), (768, 2602481), (804, 2485952), (868, 2302656), (896, 2230698), (938, 2130816), (992, 2014824), (1072, 1864464), (1074, 1860992), (1253, 1595136), (1302, 1535104), (1344, 1487132), (1407, 1420544), (1432, 1395744), (1488, 1343216), (1608, 1242976), (1736, 1151328), (1792, 1115349), (1876, 1065408), (1984, 1007412), (2077, 962304), (2144, 932232), (2148, 930496), (2506, 797568), (2604, 767552), (2688, 743566), (2814, 710272), (2864, 697872), (2976, 671608), (3216, 621488), (3472, 575664), (3752, 532704), (3759, 531712), (3968, 503706), (4154, 481152), (4288, 466116), (4296, 465248), (5012, 398784), (5208, 383776), (5376, 371783), (5549, 360192), (5628, 355136), (5728, 348936), (5952, 335804), (6231, 320768), (6432, 310744), (6944, 287832), (7504, 266352), (7518, 265856), (7936, 251853), (8308, 240576), (8576, 233058), (8592, 232624), (10024, 199392), (10416, 191888), (11098, 180096), (11256, 177568), (11456, 174468), (11904, 167902), (11993, 166656), (12462, 160384), (12864, 155372), (13888, 143916), (14539, 137472), (15008, 133176), (15036, 132928), (16616, 120288), (16647, 120064), (17152, 116529), (17184, 116312), (20048, 99696), (20832, 95944), (22196, 90048), (22512, 88784), (22912, 87234), (23808, 83951), (23986, 83328), (24924, 80192), (25728, 77686), (27776, 71958), (29078, 68736), (30016, 66588), (30072, 66464), (33232, 60144), (33294, 60032), (34368, 58156), (35979, 55552), (38843, 51456), (40096, 49848), (41664, 47972), (43617, 45824), (44392, 45024)]