About the Number

138090906

138090905 ← → 138090907

2進数表記:1000001110110001100110011010

漢数字表記:一億三千八百九万九百六

素因数分解:

2 1 × 3 4 × 317 1 × 2689 1

素因数の和:3020
約数の個数: 40
約数和(自身を含む): 310517460
約数和(自身を除く): 172426554

約数列:
[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 317, 634, 951, 1902, 2689, 2853, 5378, 5706, 8067, 8559, 16134, 17118, 24201, 25677, 48402, 51354, 72603, 145206, 217809, 435618, 852413, 1704826, 2557239, 5114478, 7671717, 15343434, 23015151, 46030302, 69045453, 138090906]

約数ペア:
[(1, 138090906), (2, 69045453), (3, 46030302), (6, 23015151), (9, 15343434), (18, 7671717), (27, 5114478), (54, 2557239), (81, 1704826), (162, 852413), (317, 435618), (634, 217809), (951, 145206), (1902, 72603), (2689, 51354), (2853, 48402), (5378, 25677), (5706, 24201), (8067, 17118), (8559, 16134)]

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