About the Number

117872880

117872879 ← → 117872881

2進数表記:111000001101001100011110000

漢数字表記:一億千七百八十七万二千八百八十

素因数分解:

2 4 × 3 1 × 5 1 × 491137 1

素因数の和:491153
約数の個数: 40
約数和(自身を含む): 365406672
約数和(自身を除く): 247533792

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 491137, 982274, 1473411, 1964548, 2455685, 2946822, 3929096, 4911370, 5893644, 7367055, 7858192, 9822740, 11787288, 14734110, 19645480, 23574576, 29468220, 39290960, 58936440, 117872880]

約数ペア:
[(1, 117872880), (2, 58936440), (3, 39290960), (4, 29468220), (5, 23574576), (6, 19645480), (8, 14734110), (10, 11787288), (12, 9822740), (15, 7858192), (16, 7367055), (20, 5893644), (24, 4911370), (30, 3929096), (40, 2946822), (48, 2455685), (60, 1964548), (80, 1473411), (120, 982274), (240, 491137)]

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