About the Number

54909890

54909889 ← → 54909891

2進数表記:11010001011101101111000010

漢数字表記:五千四百九十万九千八百九十

素因数分解:

2 1 × 5 1 × 7 2 × 112061 1

素因数の和:112082
約数の個数: 24
約数和(自身を含む): 114975612
約数和(自身を除く): 60065722

約数列:
[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 112061, 224122, 560305, 784427, 1120610, 1568854, 3922135, 5490989, 7844270, 10981978, 27454945, 54909890]

約数ペア:
[(1, 54909890), (2, 27454945), (5, 10981978), (7, 7844270), (10, 5490989), (14, 3922135), (35, 1568854), (49, 1120610), (70, 784427), (98, 560305), (245, 224122), (490, 112061)]

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