About the Number

2331290

2331289 ← → 2331291

2進数表記:1000111001001010011010

漢数字表記:二百三十三万千二百九十

素因数分解:

2 1 × 5 1 × 13 1 × 79 1 × 227 1

素因数の和:326
約数の個数: 32
約数和(自身を含む): 4596480
約数和(自身を除く): 2265190

約数列:
[1, 2, 5, 10, 13, 26, 65, 79, 130, 158, 227, 395, 454, 790, 1027, 1135, 2054, 2270, 2951, 5135, 5902, 10270, 14755, 17933, 29510, 35866, 89665, 179330, 233129, 466258, 1165645, 2331290]

約数ペア:
[(1, 2331290), (2, 1165645), (5, 466258), (10, 233129), (13, 179330), (26, 89665), (65, 35866), (79, 29510), (130, 17933), (158, 14755), (227, 10270), (395, 5902), (454, 5135), (790, 2951), (1027, 2270), (1135, 2054)]

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