About the Number

201638290

201638289 ← → 201638291

2進数表記:1100000001001100000110010010

漢数字表記:二億百六十三万八千二百九十

素因数分解:

2 1 × 5 1 × 7 1 × 107 1 × 26921 1

素因数の和:27042
約数の個数: 32
約数和(自身を含む): 418690944
約数和(自身を除く): 217052654

約数列:
[1, 2, 5, 7, 10, 14, 35, 70, 107, 214, 535, 749, 1070, 1498, 3745, 7490, 26921, 53842, 134605, 188447, 269210, 376894, 942235, 1884470, 2880547, 5761094, 14402735, 20163829, 28805470, 40327658, 100819145, 201638290]

約数ペア:
[(1, 201638290), (2, 100819145), (5, 40327658), (7, 28805470), (10, 20163829), (14, 14402735), (35, 5761094), (70, 2880547), (107, 1884470), (214, 942235), (535, 376894), (749, 269210), (1070, 188447), (1498, 134605), (3745, 53842), (7490, 26921)]

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