About the Number

23389780

23389779 ← → 23389781

2進数表記:1011001001110011001010100

漢数字表記:二千三百三十八万九千七百八十

素因数分解:

2 2 × 5 1 × 353 1 × 3313 1

素因数の和:3675
約数の個数: 24
約数和(自身を含む): 49272552
約数和(自身を除く): 25882772

約数列:
[1, 2, 4, 5, 10, 20, 353, 706, 1412, 1765, 3313, 3530, 6626, 7060, 13252, 16565, 33130, 66260, 1169489, 2338978, 4677956, 5847445, 11694890, 23389780]

約数ペア:
[(1, 23389780), (2, 11694890), (4, 5847445), (5, 4677956), (10, 2338978), (20, 1169489), (353, 66260), (706, 33130), (1412, 16565), (1765, 13252), (3313, 7060), (3530, 6626)]

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