About the Number

105420990

105420989 ← → 105420991

2進数表記:110010010001001100010111110

漢数字表記:一億五百四十二万九百九十

素因数分解:

2 1 × 3 1 × 5 1 × 373 1 × 9421 1

素因数の和:9804
約数の個数: 32
約数和(自身を含む): 253715616
約数和(自身を除く): 148294626

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 373, 746, 1119, 1865, 2238, 3730, 5595, 9421, 11190, 18842, 28263, 47105, 56526, 94210, 141315, 282630, 3514033, 7028066, 10542099, 17570165, 21084198, 35140330, 52710495, 105420990]

約数ペア:
[(1, 105420990), (2, 52710495), (3, 35140330), (5, 21084198), (6, 17570165), (10, 10542099), (15, 7028066), (30, 3514033), (373, 282630), (746, 141315), (1119, 94210), (1865, 56526), (2238, 47105), (3730, 28263), (5595, 18842), (9421, 11190)]

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