About the Number

2989891970

2989891969 ← → 2989891971

2進数表記:10110010001101100010000110000010

漢数字表記:二十九億八千九百八十九万千九百七十

素因数分解:

2 1 × 5 1 × 13 1 × 5827 1 × 3947 1

素因数の和:9794
約数の個数: 32
約数和(自身を含む): 5798253888
約数和(自身を除く): 2808361918

約数列:
[1, 2, 5, 10, 13, 26, 65, 130, 3947, 5827, 7894, 11654, 19735, 29135, 39470, 51311, 58270, 75751, 102622, 151502, 256555, 378755, 513110, 757510, 22999169, 45998338, 114995845, 229991690, 298989197, 597978394, 1494945985, 2989891970]

約数ペア:
[(1, 2989891970), (2, 1494945985), (5, 597978394), (10, 298989197), (13, 229991690), (26, 114995845), (65, 45998338), (130, 22999169), (3947, 757510), (5827, 513110), (7894, 378755), (11654, 256555), (19735, 151502), (29135, 102622), (39470, 75751), (51311, 58270)]

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