About the Number

12740690

12740689 ← → 12740691

2進数表記:110000100110100001010010

漢数字表記:千二百七十四万六百九十

素因数分解:

2 1 × 5 1 × 31 1 × 73 1 × 563 1

素因数の和:674
約数の個数: 32
約数和(自身を含む): 24039936
約数和(自身を除く): 11299246

約数列:
[1, 2, 5, 10, 31, 62, 73, 146, 155, 310, 365, 563, 730, 1126, 2263, 2815, 4526, 5630, 11315, 17453, 22630, 34906, 41099, 82198, 87265, 174530, 205495, 410990, 1274069, 2548138, 6370345, 12740690]

約数ペア:
[(1, 12740690), (2, 6370345), (5, 2548138), (10, 1274069), (31, 410990), (62, 205495), (73, 174530), (146, 87265), (155, 82198), (310, 41099), (365, 34906), (563, 22630), (730, 17453), (1126, 11315), (2263, 5630), (2815, 4526)]

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