About the Number

61989130

61989129 ← → 61989131

2進数表記:11101100011110000100001010

漢数字表記:六千百九十八万九千百三十

素因数分解:

2 1 × 5 1 × 7 1 × 41 1 × 21599 1

素因数の和:21654
約数の個数: 32
約数和(自身を含む): 130636800
約数和(自身を除く): 68647670

約数列:
[1, 2, 5, 7, 10, 14, 35, 41, 70, 82, 205, 287, 410, 574, 1435, 2870, 21599, 43198, 107995, 151193, 215990, 302386, 755965, 885559, 1511930, 1771118, 4427795, 6198913, 8855590, 12397826, 30994565, 61989130]

約数ペア:
[(1, 61989130), (2, 30994565), (5, 12397826), (7, 8855590), (10, 6198913), (14, 4427795), (35, 1771118), (41, 1511930), (70, 885559), (82, 755965), (205, 302386), (287, 215990), (410, 151193), (574, 107995), (1435, 43198), (2870, 21599)]

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