About the Number

201318740

201318739 ← → 201318741

2進数表記:1011111111111110000101010100

漢数字表記:二億百三十一万八千七百四十

素因数分解:

2 2 × 5 1 × 7 1 × 1437991 1

素因数の和:1438007
約数の個数: 24
約数和(自身を含む): 483165312
約数和(自身を除く): 281846572

約数列:
[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1437991, 2875982, 5751964, 7189955, 10065937, 14379910, 20131874, 28759820, 40263748, 50329685, 100659370, 201318740]

約数ペア:
[(1, 201318740), (2, 100659370), (4, 50329685), (5, 40263748), (7, 28759820), (10, 20131874), (14, 14379910), (20, 10065937), (28, 7189955), (35, 5751964), (70, 2875982), (140, 1437991)]

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