About the Number

201025090

201025089 ← → 201025091

2進数表記:1011111110110110011001000010

漢数字表記:二億百二万五千九十

素因数分解:

2 1 × 5 1 × 7 1 × 271 1 × 10597 1

素因数の和:10882
約数の個数: 32
約数和(自身を含む): 415102464
約数和(自身を除く): 214077374

約数列:
[1, 2, 5, 7, 10, 14, 35, 70, 271, 542, 1355, 1897, 2710, 3794, 9485, 10597, 18970, 21194, 52985, 74179, 105970, 148358, 370895, 741790, 2871787, 5743574, 14358935, 20102509, 28717870, 40205018, 100512545, 201025090]

約数ペア:
[(1, 201025090), (2, 100512545), (5, 40205018), (7, 28717870), (10, 20102509), (14, 14358935), (35, 5743574), (70, 2871787), (271, 741790), (542, 370895), (1355, 148358), (1897, 105970), (2710, 74179), (3794, 52985), (9485, 21194), (10597, 18970)]

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