About the Number

105009990

105009989 ← → 105009991

2進数表記:110010000100101001101000110

漢数字表記:一億五百万九千九百九十

素因数分解:

2 1 × 3 1 × 5 1 × 709 1 × 4937 1

素因数の和:5656
約数の個数: 32
約数和(自身を含む): 252430560
約数和(自身を除く): 147420570

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 709, 1418, 2127, 3545, 4254, 4937, 7090, 9874, 10635, 14811, 21270, 24685, 29622, 49370, 74055, 148110, 3500333, 7000666, 10500999, 17501665, 21001998, 35003330, 52504995, 105009990]

約数ペア:
[(1, 105009990), (2, 52504995), (3, 35003330), (5, 21001998), (6, 17501665), (10, 10500999), (15, 7000666), (30, 3500333), (709, 148110), (1418, 74055), (2127, 49370), (3545, 29622), (4254, 24685), (4937, 21270), (7090, 14811), (9874, 10635)]

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