About the Number

2988990

2988989 ← → 2988991

2進数表記:1011011001101110111110

漢数字表記:二百九十八万八千九百九十

素因数分解:

2 1 × 3 2 × 5 1 × 33211 1

素因数の和:33224
約数の個数: 24
約数和(自身を含む): 7771608
約数和(自身を除く): 4782618

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 33211, 66422, 99633, 166055, 199266, 298899, 332110, 498165, 597798, 996330, 1494495, 2988990]

約数ペア:
[(1, 2988990), (2, 1494495), (3, 996330), (5, 597798), (6, 498165), (9, 332110), (10, 298899), (15, 199266), (18, 166055), (30, 99633), (45, 66422), (90, 33211)]

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