About the Number

2012107988

2012107987 ← → 2012107989

2進数表記:1110111111011100101010011010100

漢数字表記:二十億千二百十万七千九百八十八

素因数分解:

2 2 × 11 1 × 23 1 × 1988249 1

素因数の和:1988287
約数の個数: 24
約数和(自身を含む): 4008312000
約数和(自身を除く): 1996204012

約数列:
[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 506, 1012, 1988249, 3976498, 7952996, 21870739, 43741478, 45729727, 87482956, 91459454, 182918908, 503026997, 1006053994, 2012107988]

約数ペア:
[(1, 2012107988), (2, 1006053994), (4, 503026997), (11, 182918908), (22, 91459454), (23, 87482956), (44, 45729727), (46, 43741478), (92, 21870739), (253, 7952996), (506, 3976498), (1012, 1988249)]

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