About the Number

201241390

201241389 ← → 201241391

2進数表記:1011111111101011001100101110

漢数字表記:二億百二十四万千三百九十

素因数分解:

2 1 × 5 1 × 7 1 × 2874877 1

素因数の和:2874891
約数の個数: 16
約数和(自身を含む): 413982432
約数和(自身を除く): 212741042

約数列:
[1, 2, 5, 7, 10, 14, 35, 70, 2874877, 5749754, 14374385, 20124139, 28748770, 40248278, 100620695, 201241390]

約数ペア:
[(1, 201241390), (2, 100620695), (5, 40248278), (7, 28748770), (10, 20124139), (14, 14374385), (35, 5749754), (70, 2874877)]

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