About the Number

12185290

12185289 ← → 12185291

2進数表記:101110011110111011001010

漢数字表記:千二百十八万五千二百九十

素因数分解:

2 1 × 5 1 × 13 1 × 67 1 × 1399 1

素因数の和:1486
約数の個数: 32
約数和(自身を含む): 23990400
約数和(自身を除く): 11805110

約数列:
[1, 2, 5, 10, 13, 26, 65, 67, 130, 134, 335, 670, 871, 1399, 1742, 2798, 4355, 6995, 8710, 13990, 18187, 36374, 90935, 93733, 181870, 187466, 468665, 937330, 1218529, 2437058, 6092645, 12185290]

約数ペア:
[(1, 12185290), (2, 6092645), (5, 2437058), (10, 1218529), (13, 937330), (26, 468665), (65, 187466), (67, 181870), (130, 93733), (134, 90935), (335, 36374), (670, 18187), (871, 13990), (1399, 8710), (1742, 6995), (2798, 4355)]

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