About the Number

201380660

201380659 ← → 201380661

2進数表記:1100000000001101001100110100

漢数字表記:二億百三十八万六百六十

素因数分解:

2 2 × 5 1 × 13 1 × 774541 1

素因数の和:774563
約数の個数: 24
約数和(自身を含む): 455430696
約数和(自身を除く): 254050036

約数列:
[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 774541, 1549082, 3098164, 3872705, 7745410, 10069033, 15490820, 20138066, 40276132, 50345165, 100690330, 201380660]

約数ペア:
[(1, 201380660), (2, 100690330), (4, 50345165), (5, 40276132), (10, 20138066), (13, 15490820), (20, 10069033), (26, 7745410), (52, 3872705), (65, 3098164), (130, 1549082), (260, 774541)]

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