About the Number

28208490

28208489 ← → 28208491

2進数表記:1101011100110110101101010

漢数字表記:二千八百二十万八千四百九十

素因数分解:

2 1 × 3 1 × 5 1 × 59 1 × 15937 1

素因数の和:16006
約数の個数: 32
約数和(自身を含む): 68852160
約数和(自身を除く): 40643670

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 59, 118, 177, 295, 354, 590, 885, 1770, 15937, 31874, 47811, 79685, 95622, 159370, 239055, 478110, 940283, 1880566, 2820849, 4701415, 5641698, 9402830, 14104245, 28208490]

約数ペア:
[(1, 28208490), (2, 14104245), (3, 9402830), (5, 5641698), (6, 4701415), (10, 2820849), (15, 1880566), (30, 940283), (59, 478110), (118, 239055), (177, 159370), (295, 95622), (354, 79685), (590, 47811), (885, 31874), (1770, 15937)]

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