About the Number

804980990

804980989 ← → 804980991

2進数表記:101111111110110000100011111110

漢数字表記:八億四百九十八万九百九十

素因数分解:

2 1 × 5 1 × 11 1 × 7318009 1

素因数の和:7318027
約数の個数: 16
約数和(自身を含む): 1580690160
約数和(自身を除く): 775709170

約数列:
[1, 2, 5, 10, 11, 22, 55, 110, 7318009, 14636018, 36590045, 73180090, 80498099, 160996198, 402490495, 804980990]

約数ペア:
[(1, 804980990), (2, 402490495), (5, 160996198), (10, 80498099), (11, 73180090), (22, 36590045), (55, 14636018), (110, 7318009)]

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