About the Number

189713090

189713089 ← → 189713091

2進数表記:1011010011101100101011000010

漢数字表記:一億八千九百七十一万三千九十

素因数分解:

2 1 × 5 1 × 7 1 × 2710187 1

素因数の和:2710201
約数の個数: 16
約数和(自身を含む): 390267072
約数和(自身を除く): 200553982

約数列:
[1, 2, 5, 7, 10, 14, 35, 70, 2710187, 5420374, 13550935, 18971309, 27101870, 37942618, 94856545, 189713090]

約数ペア:
[(1, 189713090), (2, 94856545), (5, 37942618), (7, 27101870), (10, 18971309), (14, 13550935), (35, 5420374), (70, 2710187)]

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