About the Number

121388290

121388289 ← → 121388291

2進数表記:111001111000011110100000010

漢数字表記:一億二千百三十八万八千二百九十

素因数分解:

2 1 × 5 1 × 41 1 × 107 1 × 2767 1

素因数の和:2922
約数の個数: 32
約数和(自身を含む): 226001664
約数和(自身を除く): 104613374

約数列:
[1, 2, 5, 10, 41, 82, 107, 205, 214, 410, 535, 1070, 2767, 4387, 5534, 8774, 13835, 21935, 27670, 43870, 113447, 226894, 296069, 567235, 592138, 1134470, 1480345, 2960690, 12138829, 24277658, 60694145, 121388290]

約数ペア:
[(1, 121388290), (2, 60694145), (5, 24277658), (10, 12138829), (41, 2960690), (82, 1480345), (107, 1134470), (205, 592138), (214, 567235), (410, 296069), (535, 226894), (1070, 113447), (2767, 43870), (4387, 27670), (5534, 21935), (8774, 13835)]

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