About the Number

120988

120987 ← → 120989

2進数表記:11101100010011100

漢数字表記:十二万九百八十八

素因数分解:

2 2 × 7 1 × 29 1 × 149 1

素因数の和:189
約数の個数: 24
約数和(自身を含む): 252000
約数和(自身を除く): 131012

約数列:
[1, 2, 4, 7, 14, 28, 29, 58, 116, 149, 203, 298, 406, 596, 812, 1043, 2086, 4172, 4321, 8642, 17284, 30247, 60494, 120988]

約数ペア:
[(1, 120988), (2, 60494), (4, 30247), (7, 17284), (14, 8642), (28, 4321), (29, 4172), (58, 2086), (116, 1043), (149, 812), (203, 596), (298, 406)]

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