About the Number

231120990

231120989 ← → 231120991

2進数表記:1101110001101010000001011110

漢数字表記:二億三千百十二万九百九十

素因数分解:

2 1 × 3 2 × 5 1 × 2568011 1

素因数の和:2568024
約数の個数: 24
約数和(自身を含む): 600914808
約数和(自身を除く): 369793818

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 2568011, 5136022, 7704033, 12840055, 15408066, 23112099, 25680110, 38520165, 46224198, 77040330, 115560495, 231120990]

約数ペア:
[(1, 231120990), (2, 115560495), (3, 77040330), (5, 46224198), (6, 38520165), (9, 25680110), (10, 23112099), (15, 15408066), (18, 12840055), (30, 7704033), (45, 5136022), (90, 2568011)]

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