About the Number

129816690

129816689 ← → 129816691

2進数表記:111101111001101100001110010

漢数字表記:一億二千九百八十一万六千六百九十

素因数分解:

2 1 × 3 1 × 5 1 × 439 1 × 9857 1

素因数の和:10306
約数の個数: 32
約数和(自身を含む): 312301440
約数和(自身を除く): 182484750

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 439, 878, 1317, 2195, 2634, 4390, 6585, 9857, 13170, 19714, 29571, 49285, 59142, 98570, 147855, 295710, 4327223, 8654446, 12981669, 21636115, 25963338, 43272230, 64908345, 129816690]

約数ペア:
[(1, 129816690), (2, 64908345), (3, 43272230), (5, 25963338), (6, 21636115), (10, 12981669), (15, 8654446), (30, 4327223), (439, 295710), (878, 147855), (1317, 98570), (2195, 59142), (2634, 49285), (4390, 29571), (6585, 19714), (9857, 13170)]

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