About the Number

2889040

2889039 ← → 2889041

2進数表記:1011000001010101010000

漢数字表記:二百八十八万九千四十

素因数分解:

2 4 × 5 1 × 7 2 × 11 1 × 67 1

素因数の和:105
約数の個数: 120
約数和(自身を含む): 8651232
約数和(自身を除く): 5762192

約数列:
[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 49, 55, 56, 67, 70, 77, 80, 88, 98, 110, 112, 134, 140, 154, 176, 196, 220, 245, 268, 280, 308, 335, 385, 392, 440, 469, 490, 536, 539, 560, 616, 670, 737, 770, 784, 880, 938, 980, 1072, 1078, 1232, 1340, 1474, 1540, 1876, 1960, 2156, 2345, 2680, 2695, 2948, 3080, 3283, 3685, 3752, 3920, 4312, 4690, 5159, 5360, 5390, 5896, 6160, 6566, 7370, 7504, 8624, 9380, 10318, 10780, 11792, 13132, 14740, 16415, 18760, 20636, 21560, 25795, 26264, 29480, 32830, 36113, 37520, 41272, 43120, 51590, 52528, 58960, 65660, 72226, 82544, 103180, 131320, 144452, 180565, 206360, 262640, 288904, 361130, 412720, 577808, 722260, 1444520, 2889040]

約数ペア:
[(1, 2889040), (2, 1444520), (4, 722260), (5, 577808), (7, 412720), (8, 361130), (10, 288904), (11, 262640), (14, 206360), (16, 180565), (20, 144452), (22, 131320), (28, 103180), (35, 82544), (40, 72226), (44, 65660), (49, 58960), (55, 52528), (56, 51590), (67, 43120), (70, 41272), (77, 37520), (80, 36113), (88, 32830), (98, 29480), (110, 26264), (112, 25795), (134, 21560), (140, 20636), (154, 18760), (176, 16415), (196, 14740), (220, 13132), (245, 11792), (268, 10780), (280, 10318), (308, 9380), (335, 8624), (385, 7504), (392, 7370), (440, 6566), (469, 6160), (490, 5896), (536, 5390), (539, 5360), (560, 5159), (616, 4690), (670, 4312), (737, 3920), (770, 3752), (784, 3685), (880, 3283), (938, 3080), (980, 2948), (1072, 2695), (1078, 2680), (1232, 2345), (1340, 2156), (1474, 1960), (1540, 1876)]

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