About the Number

2011890

2011889 ← → 2011891

2進数表記:111101011001011110010

漢数字表記:二百一万千八百九十

素因数分解:

2 1 × 3 1 × 5 1 × 199 1 × 337 1

素因数の和:546
約数の個数: 32
約数和(自身を含む): 4867200
約数和(自身を除く): 2855310

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 199, 337, 398, 597, 674, 995, 1011, 1194, 1685, 1990, 2022, 2985, 3370, 5055, 5970, 10110, 67063, 134126, 201189, 335315, 402378, 670630, 1005945, 2011890]

約数ペア:
[(1, 2011890), (2, 1005945), (3, 670630), (5, 402378), (6, 335315), (10, 201189), (15, 134126), (30, 67063), (199, 10110), (337, 5970), (398, 5055), (597, 3370), (674, 2985), (995, 2022), (1011, 1990), (1194, 1685)]

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