About the Number

45009990

45009989 ← → 45009991

2進数表記:10101011101100110001000110

漢数字表記:四千五百万九千九百九十

素因数分解:

2 1 × 3 2 × 5 1 × 500111 1

素因数の和:500124
約数の個数: 24
約数和(自身を含む): 117026208
約数和(自身を除く): 72016218

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 500111, 1000222, 1500333, 2500555, 3000666, 4500999, 5001110, 7501665, 9001998, 15003330, 22504995, 45009990]

約数ペア:
[(1, 45009990), (2, 22504995), (3, 15003330), (5, 9001998), (6, 7501665), (9, 5001110), (10, 4500999), (15, 3000666), (18, 2500555), (30, 1500333), (45, 1000222), (90, 500111)]

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