About the Number

9002890

9002889 ← → 9002891

2進数表記:100010010101111110001010

漢数字表記:九百万二千八百九十

素因数分解:

2 1 × 5 1 × 13 1 × 23 1 × 3011 1

素因数の和:3054
約数の個数: 32
約数和(自身を含む): 18216576
約数和(自身を除く): 9213686

約数列:
[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 3011, 6022, 15055, 30110, 39143, 69253, 78286, 138506, 195715, 346265, 391430, 692530, 900289, 1800578, 4501445, 9002890]

約数ペア:
[(1, 9002890), (2, 4501445), (5, 1800578), (10, 900289), (13, 692530), (23, 391430), (26, 346265), (46, 195715), (65, 138506), (115, 78286), (130, 69253), (230, 39143), (299, 30110), (598, 15055), (1495, 6022), (2990, 3011)]

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