About the Number

201239290

201239289 ← → 201239291

2進数表記:1011111111101010101011111010

漢数字表記:二億百二十三万九千二百九十

素因数分解:

2 1 × 5 1 × 7 1 × 31 1 × 92737 1

素因数の和:92782
約数の個数: 32
約数和(自身を含む): 427336704
約数和(自身を除く): 226097414

約数列:
[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 92737, 185474, 463685, 649159, 927370, 1298318, 2874847, 3245795, 5749694, 6491590, 14374235, 20123929, 28748470, 40247858, 100619645, 201239290]

約数ペア:
[(1, 201239290), (2, 100619645), (5, 40247858), (7, 28748470), (10, 20123929), (14, 14374235), (31, 6491590), (35, 5749694), (62, 3245795), (70, 2874847), (155, 1298318), (217, 927370), (310, 649159), (434, 463685), (1085, 185474), (2170, 92737)]

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