About the Number

388980480

388980479 ← → 388980481

2進数表記:10111001011110101111100000000

漢数字表記:三億八千八百九十八万四百八十

素因数分解:

2 8 × 3 1 × 5 1 × 7 1 × 29 1 × 499 1

素因数の和:559
約数の個数: 288
約数和(自身を含む): 1471680000
約数和(自身を除く): 1082699520

約数列:
[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 29, 30, 32, 35, 40, 42, 48, 56, 58, 60, 64, 70, 80, 84, 87, 96, 105, 112, 116, 120, 128, 140, 145, 160, 168, 174, 192, 203, 210, 224, 232, 240, 256, 280, 290, 320, 336, 348, 384, 406, 420, 435, 448, 464, 480, 499, 560, 580, 609, 640, 672, 696, 768, 812, 840, 870, 896, 928, 960, 998, 1015, 1120, 1160, 1218, 1280, 1344, 1392, 1497, 1624, 1680, 1740, 1792, 1856, 1920, 1996, 2030, 2240, 2320, 2436, 2495, 2688, 2784, 2994, 3045, 3248, 3360, 3480, 3493, 3712, 3840, 3992, 4060, 4480, 4640, 4872, 4990, 5376, 5568, 5988, 6090, 6496, 6720, 6960, 6986, 7424, 7485, 7984, 8120, 8960, 9280, 9744, 9980, 10479, 11136, 11976, 12180, 12992, 13440, 13920, 13972, 14471, 14970, 15968, 16240, 17465, 18560, 19488, 19960, 20958, 22272, 23952, 24360, 25984, 26880, 27840, 27944, 28942, 29940, 31936, 32480, 34930, 37120, 38976, 39920, 41916, 43413, 47904, 48720, 51968, 52395, 55680, 55888, 57884, 59880, 63872, 64960, 69860, 72355, 77952, 79840, 83832, 86826, 95808, 97440, 101297, 104790, 111360, 111776, 115768, 119760, 127744, 129920, 139720, 144710, 155904, 159680, 167664, 173652, 191616, 194880, 202594, 209580, 217065, 223552, 231536, 239520, 259840, 279440, 289420, 303891, 319360, 335328, 347304, 383232, 389760, 405188, 419160, 434130, 447104, 463072, 479040, 506485, 558880, 578840, 607782, 638720, 670656, 694608, 779520, 810376, 838320, 868260, 894208, 926144, 958080, 1012970, 1117760, 1157680, 1215564, 1341312, 1389216, 1519455, 1620752, 1676640, 1736520, 1852288, 1916160, 2025940, 2235520, 2315360, 2431128, 2682624, 2778432, 3038910, 3241504, 3353280, 3473040, 3704576, 4051880, 4471040, 4630720, 4862256, 5556864, 6077820, 6483008, 6706560, 6946080, 8103760, 9261440, 9724512, 11113728, 12155640, 12966016, 13413120, 13892160, 16207520, 18522880, 19449024, 24311280, 25932032, 27784320, 32415040, 38898048, 48622560, 55568640, 64830080, 77796096, 97245120, 129660160, 194490240, 388980480]

約数ペア:
[(1, 388980480), (2, 194490240), (3, 129660160), (4, 97245120), (5, 77796096), (6, 64830080), (7, 55568640), (8, 48622560), (10, 38898048), (12, 32415040), (14, 27784320), (15, 25932032), (16, 24311280), (20, 19449024), (21, 18522880), (24, 16207520), (28, 13892160), (29, 13413120), (30, 12966016), (32, 12155640), (35, 11113728), (40, 9724512), (42, 9261440), (48, 8103760), (56, 6946080), (58, 6706560), (60, 6483008), (64, 6077820), (70, 5556864), (80, 4862256), (84, 4630720), (87, 4471040), (96, 4051880), (105, 3704576), (112, 3473040), (116, 3353280), (120, 3241504), (128, 3038910), (140, 2778432), (145, 2682624), (160, 2431128), (168, 2315360), (174, 2235520), (192, 2025940), (203, 1916160), (210, 1852288), (224, 1736520), (232, 1676640), (240, 1620752), (256, 1519455), (280, 1389216), (290, 1341312), (320, 1215564), (336, 1157680), (348, 1117760), (384, 1012970), (406, 958080), (420, 926144), (435, 894208), (448, 868260), (464, 838320), (480, 810376), (499, 779520), (560, 694608), (580, 670656), (609, 638720), (640, 607782), (672, 578840), (696, 558880), (768, 506485), (812, 479040), (840, 463072), (870, 447104), (896, 434130), (928, 419160), (960, 405188), (998, 389760), (1015, 383232), (1120, 347304), (1160, 335328), (1218, 319360), (1280, 303891), (1344, 289420), (1392, 279440), (1497, 259840), (1624, 239520), (1680, 231536), (1740, 223552), (1792, 217065), (1856, 209580), (1920, 202594), (1996, 194880), (2030, 191616), (2240, 173652), (2320, 167664), (2436, 159680), (2495, 155904), (2688, 144710), (2784, 139720), (2994, 129920), (3045, 127744), (3248, 119760), (3360, 115768), (3480, 111776), (3493, 111360), (3712, 104790), (3840, 101297), (3992, 97440), (4060, 95808), (4480, 86826), (4640, 83832), (4872, 79840), (4990, 77952), (5376, 72355), (5568, 69860), (5988, 64960), (6090, 63872), (6496, 59880), (6720, 57884), (6960, 55888), (6986, 55680), (7424, 52395), (7485, 51968), (7984, 48720), (8120, 47904), (8960, 43413), (9280, 41916), (9744, 39920), (9980, 38976), (10479, 37120), (11136, 34930), (11976, 32480), (12180, 31936), (12992, 29940), (13440, 28942), (13920, 27944), (13972, 27840), (14471, 26880), (14970, 25984), (15968, 24360), (16240, 23952), (17465, 22272), (18560, 20958), (19488, 19960)]

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