About the Number

201988730

201988729 ← → 201988731

2進数表記:1100000010100001101001111010

漢数字表記:二億百九十八万八千七百三十

素因数分解:

2 1 × 5 1 × 17 1 × 1188169 1

素因数の和:1188193
約数の個数: 16
約数和(自身を含む): 384967080
約数和(自身を除く): 182978350

約数列:
[1, 2, 5, 10, 17, 34, 85, 170, 1188169, 2376338, 5940845, 11881690, 20198873, 40397746, 100994365, 201988730]

約数ペア:
[(1, 201988730), (2, 100994365), (5, 40397746), (10, 20198873), (17, 11881690), (34, 5940845), (85, 2376338), (170, 1188169)]

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