About the Number

129388210

129388209 ← → 129388211

2進数表記:111101101100100111010110010

漢数字表記:一億二千九百三十八万八千二百十

素因数分解:

2 1 × 5 1 × 7 1 × 41 1 × 45083 1

素因数の和:45138
約数の個数: 32
約数和(自身を含む): 272668032
約数和(自身を除く): 143279822

約数列:
[1, 2, 5, 7, 10, 14, 35, 41, 70, 82, 205, 287, 410, 574, 1435, 2870, 45083, 90166, 225415, 315581, 450830, 631162, 1577905, 1848403, 3155810, 3696806, 9242015, 12938821, 18484030, 25877642, 64694105, 129388210]

約数ペア:
[(1, 129388210), (2, 64694105), (5, 25877642), (7, 18484030), (10, 12938821), (14, 9242015), (35, 3696806), (41, 3155810), (70, 1848403), (82, 1577905), (205, 631162), (287, 450830), (410, 315581), (574, 225415), (1435, 90166), (2870, 45083)]

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