About the Number

12702990

12702989 ← → 12702991

2進数表記:110000011101010100001110

漢数字表記:千二百七十万二千九百九十

素因数分解:

2 1 × 3 1 × 5 1 × 103 1 × 4111 1

素因数の和:4224
約数の個数: 32
約数和(自身を含む): 30790656
約数和(自身を除く): 18087666

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 103, 206, 309, 515, 618, 1030, 1545, 3090, 4111, 8222, 12333, 20555, 24666, 41110, 61665, 123330, 423433, 846866, 1270299, 2117165, 2540598, 4234330, 6351495, 12702990]

約数ペア:
[(1, 12702990), (2, 6351495), (3, 4234330), (5, 2540598), (6, 2117165), (10, 1270299), (15, 846866), (30, 423433), (103, 123330), (206, 61665), (309, 41110), (515, 24666), (618, 20555), (1030, 12333), (1545, 8222), (3090, 4111)]

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