About the Number

138189690

138189689 ← → 138189691

2進数表記:1000001111001001101101111010

漢数字表記:一億三千八百十八万九千六百九十

素因数分解:

2 1 × 3 2 × 5 1 × 1535441 1

素因数の和:1535454
約数の個数: 24
約数和(自身を含む): 359293428
約数和(自身を除く): 221103738

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 1535441, 3070882, 4606323, 7677205, 9212646, 13818969, 15354410, 23031615, 27637938, 46063230, 69094845, 138189690]

約数ペア:
[(1, 138189690), (2, 69094845), (3, 46063230), (5, 27637938), (6, 23031615), (9, 15354410), (10, 13818969), (15, 9212646), (18, 7677205), (30, 4606323), (45, 3070882), (90, 1535441)]

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