About the Number

71551890

71551889 ← → 71551891

2進数表記:100010000111100101110010010

漢数字表記:七千百五十五万千八百九十

素因数分解:

2 1 × 3 3 × 5 1 × 265007 1

素因数の和:265023
約数の個数: 32
約数和(自身を含む): 190805760
約数和(自身を除く): 119253870

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 265007, 530014, 795021, 1325035, 1590042, 2385063, 2650070, 3975105, 4770126, 7155189, 7950210, 11925315, 14310378, 23850630, 35775945, 71551890]

約数ペア:
[(1, 71551890), (2, 35775945), (3, 23850630), (5, 14310378), (6, 11925315), (9, 7950210), (10, 7155189), (15, 4770126), (18, 3975105), (27, 2650070), (30, 2385063), (45, 1590042), (54, 1325035), (90, 795021), (135, 530014), (270, 265007)]

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