About the Number

201800740

201800739 ← → 201800741

2進数表記:1100000001110011110000100100

漢数字表記:二億百八十万七百四十

素因数分解:

2 2 × 5 1 × 97 1 × 104021 1

素因数の和:104127
約数の個数: 24
約数和(自身を含む): 428154552
約数和(自身を除く): 226353812

約数列:
[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 104021, 208042, 416084, 520105, 1040210, 2080420, 10090037, 20180074, 40360148, 50450185, 100900370, 201800740]

約数ペア:
[(1, 201800740), (2, 100900370), (4, 50450185), (5, 40360148), (10, 20180074), (20, 10090037), (97, 2080420), (194, 1040210), (388, 520105), (485, 416084), (970, 208042), (1940, 104021)]

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