About the Number

1994691840

1994691839 ← → 1994691841

2進数表記:1110110111001001001010100000000

漢数字表記:十九億九千四百六十九万千八百四十

素因数分解:

2 8 × 3 1 × 5 1 × 67 1 × 7753 1

素因数の和:7844
約数の個数: 144
約数和(自身を含む): 6466463808
約数和(自身を除く): 4471771968

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 67, 80, 96, 120, 128, 134, 160, 192, 201, 240, 256, 268, 320, 335, 384, 402, 480, 536, 640, 670, 768, 804, 960, 1005, 1072, 1280, 1340, 1608, 1920, 2010, 2144, 2680, 3216, 3840, 4020, 4288, 5360, 6432, 7753, 8040, 8576, 10720, 12864, 15506, 16080, 17152, 21440, 23259, 25728, 31012, 32160, 38765, 42880, 46518, 51456, 62024, 64320, 77530, 85760, 93036, 116295, 124048, 128640, 155060, 186072, 232590, 248096, 257280, 310120, 372144, 465180, 496192, 519451, 620240, 744288, 930360, 992384, 1038902, 1240480, 1488576, 1558353, 1860720, 1984768, 2077804, 2480960, 2597255, 2977152, 3116706, 3721440, 4155608, 4961920, 5194510, 5954304, 6233412, 7442880, 7791765, 8311216, 9923840, 10389020, 12466824, 14885760, 15583530, 16622432, 20778040, 24933648, 29771520, 31167060, 33244864, 41556080, 49867296, 62334120, 66489728, 83112160, 99734592, 124668240, 132979456, 166224320, 199469184, 249336480, 332448640, 398938368, 498672960, 664897280, 997345920, 1994691840]

約数ペア:
[(1, 1994691840), (2, 997345920), (3, 664897280), (4, 498672960), (5, 398938368), (6, 332448640), (8, 249336480), (10, 199469184), (12, 166224320), (15, 132979456), (16, 124668240), (20, 99734592), (24, 83112160), (30, 66489728), (32, 62334120), (40, 49867296), (48, 41556080), (60, 33244864), (64, 31167060), (67, 29771520), (80, 24933648), (96, 20778040), (120, 16622432), (128, 15583530), (134, 14885760), (160, 12466824), (192, 10389020), (201, 9923840), (240, 8311216), (256, 7791765), (268, 7442880), (320, 6233412), (335, 5954304), (384, 5194510), (402, 4961920), (480, 4155608), (536, 3721440), (640, 3116706), (670, 2977152), (768, 2597255), (804, 2480960), (960, 2077804), (1005, 1984768), (1072, 1860720), (1280, 1558353), (1340, 1488576), (1608, 1240480), (1920, 1038902), (2010, 992384), (2144, 930360), (2680, 744288), (3216, 620240), (3840, 519451), (4020, 496192), (4288, 465180), (5360, 372144), (6432, 310120), (7753, 257280), (8040, 248096), (8576, 232590), (10720, 186072), (12864, 155060), (15506, 128640), (16080, 124048), (17152, 116295), (21440, 93036), (23259, 85760), (25728, 77530), (31012, 64320), (32160, 62024), (38765, 51456), (42880, 46518)]

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