About the Number

142208990

142208989 ← → 142208991

2進数表記:1000011110011110111111011110

漢数字表記:一億四千二百二十万八千九百九十

素因数分解:

2 1 × 5 1 × 7 1 × 11 1 × 184687 1

素因数の和:184712
約数の個数: 32
約数和(自身を含む): 319140864
約数和(自身を除く): 176931874

約数列:
[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 184687, 369374, 923435, 1292809, 1846870, 2031557, 2585618, 4063114, 6464045, 10157785, 12928090, 14220899, 20315570, 28441798, 71104495, 142208990]

約数ペア:
[(1, 142208990), (2, 71104495), (5, 28441798), (7, 20315570), (10, 14220899), (11, 12928090), (14, 10157785), (22, 6464045), (35, 4063114), (55, 2585618), (70, 2031557), (77, 1846870), (110, 1292809), (154, 923435), (385, 369374), (770, 184687)]

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