About the Number

199803090

199803089 ← → 199803091

2進数表記:1011111010001100000011010010

漢数字表記:一億九千九百八十万三千九十

素因数分解:

2 1 × 3 1 × 5 1 × 6660103 1

素因数の和:6660113
約数の個数: 16
約数和(自身を含む): 479527488
約数和(自身を除く): 279724398

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 6660103, 13320206, 19980309, 33300515, 39960618, 66601030, 99901545, 199803090]

約数ペア:
[(1, 199803090), (2, 99901545), (3, 66601030), (5, 39960618), (6, 33300515), (10, 19980309), (15, 13320206), (30, 6660103)]

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