About the Number

2108643840

2108643839 ← → 2108643841

2進数表記:1111101101011110101101000000000

漢数字表記:二十一億八百六十四万三千八百四十

素因数分解:

2 9 × 3 4 × 5 1 × 10169 1

素因数の和:10204
約数の個数: 200
約数和(自身を含む): 7553238660
約数和(自身を除く): 5444594820

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 512, 540, 576, 640, 648, 720, 768, 810, 864, 960, 1080, 1152, 1280, 1296, 1440, 1536, 1620, 1728, 1920, 2160, 2304, 2560, 2592, 2880, 3240, 3456, 3840, 4320, 4608, 5184, 5760, 6480, 6912, 7680, 8640, 10169, 10368, 11520, 12960, 13824, 17280, 20338, 20736, 23040, 25920, 30507, 34560, 40676, 41472, 50845, 51840, 61014, 69120, 81352, 91521, 101690, 103680, 122028, 152535, 162704, 183042, 203380, 207360, 244056, 274563, 305070, 325408, 366084, 406760, 457605, 488112, 549126, 610140, 650816, 732168, 813520, 823689, 915210, 976224, 1098252, 1220280, 1301632, 1372815, 1464336, 1627040, 1647378, 1830420, 1952448, 2196504, 2440560, 2603264, 2745630, 2928672, 3254080, 3294756, 3660840, 3904896, 4118445, 4393008, 4881120, 5206528, 5491260, 5857344, 6508160, 6589512, 7321680, 7809792, 8236890, 8786016, 9762240, 10982520, 11714688, 13016320, 13179024, 14643360, 15619584, 16473780, 17572032, 19524480, 21965040, 23429376, 26032640, 26358048, 29286720, 32947560, 35144064, 39048960, 43930080, 46858752, 52716096, 58573440, 65895120, 70288128, 78097920, 87860160, 105432192, 117146880, 131790240, 140576256, 175720320, 210864384, 234293760, 263580480, 351440640, 421728768, 527160960, 702881280, 1054321920, 2108643840]

約数ペア:
[(1, 2108643840), (2, 1054321920), (3, 702881280), (4, 527160960), (5, 421728768), (6, 351440640), (8, 263580480), (9, 234293760), (10, 210864384), (12, 175720320), (15, 140576256), (16, 131790240), (18, 117146880), (20, 105432192), (24, 87860160), (27, 78097920), (30, 70288128), (32, 65895120), (36, 58573440), (40, 52716096), (45, 46858752), (48, 43930080), (54, 39048960), (60, 35144064), (64, 32947560), (72, 29286720), (80, 26358048), (81, 26032640), (90, 23429376), (96, 21965040), (108, 19524480), (120, 17572032), (128, 16473780), (135, 15619584), (144, 14643360), (160, 13179024), (162, 13016320), (180, 11714688), (192, 10982520), (216, 9762240), (240, 8786016), (256, 8236890), (270, 7809792), (288, 7321680), (320, 6589512), (324, 6508160), (360, 5857344), (384, 5491260), (405, 5206528), (432, 4881120), (480, 4393008), (512, 4118445), (540, 3904896), (576, 3660840), (640, 3294756), (648, 3254080), (720, 2928672), (768, 2745630), (810, 2603264), (864, 2440560), (960, 2196504), (1080, 1952448), (1152, 1830420), (1280, 1647378), (1296, 1627040), (1440, 1464336), (1536, 1372815), (1620, 1301632), (1728, 1220280), (1920, 1098252), (2160, 976224), (2304, 915210), (2560, 823689), (2592, 813520), (2880, 732168), (3240, 650816), (3456, 610140), (3840, 549126), (4320, 488112), (4608, 457605), (5184, 406760), (5760, 366084), (6480, 325408), (6912, 305070), (7680, 274563), (8640, 244056), (10169, 207360), (10368, 203380), (11520, 183042), (12960, 162704), (13824, 152535), (17280, 122028), (20338, 103680), (20736, 101690), (23040, 91521), (25920, 81352), (30507, 69120), (34560, 61014), (40676, 51840), (41472, 50845)]

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