About the Number

121001090

121001089 ← → 121001091

2進数表記:111001101100101010010000010

漢数字表記:一億二千百万千九十

素因数分解:

2 1 × 5 1 × 7 2 × 246941 1

素因数の和:246962
約数の個数: 24
約数和(自身を含む): 253362492
約数和(自身を除く): 132361402

約数列:
[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 246941, 493882, 1234705, 1728587, 2469410, 3457174, 8642935, 12100109, 17285870, 24200218, 60500545, 121001090]

約数ペア:
[(1, 121001090), (2, 60500545), (5, 24200218), (7, 17285870), (10, 12100109), (14, 8642935), (35, 3457174), (49, 2469410), (70, 1728587), (98, 1234705), (245, 493882), (490, 246941)]

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