About the Number

8988990

8988989 ← → 8988991

2進数表記:100010010010100100111110

漢数字表記:八百九十八万八千九百九十

素因数分解:

2 1 × 3 1 × 5 1 × 97 1 × 3089 1

素因数の和:3196
約数の個数: 32
約数和(自身を含む): 21803040
約数和(自身を除く): 12814050

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 97, 194, 291, 485, 582, 970, 1455, 2910, 3089, 6178, 9267, 15445, 18534, 30890, 46335, 92670, 299633, 599266, 898899, 1498165, 1797798, 2996330, 4494495, 8988990]

約数ペア:
[(1, 8988990), (2, 4494495), (3, 2996330), (5, 1797798), (6, 1498165), (10, 898899), (15, 599266), (30, 299633), (97, 92670), (194, 46335), (291, 30890), (485, 18534), (582, 15445), (970, 9267), (1455, 6178), (2910, 3089)]

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