About the Number

71521490

71521489 ← → 71521491

2進数表記:100010000110101010011010010

漢数字表記:七千百五十二万千四百九十

素因数分解:

2 1 × 5 1 × 23 1 × 149 1 × 2087 1

素因数の和:2266
約数の個数: 32
約数和(自身を含む): 135302400
約数和(自身を除く): 63780910

約数列:
[1, 2, 5, 10, 23, 46, 115, 149, 230, 298, 745, 1490, 2087, 3427, 4174, 6854, 10435, 17135, 20870, 34270, 48001, 96002, 240005, 310963, 480010, 621926, 1554815, 3109630, 7152149, 14304298, 35760745, 71521490]

約数ペア:
[(1, 71521490), (2, 35760745), (5, 14304298), (10, 7152149), (23, 3109630), (46, 1554815), (115, 621926), (149, 480010), (230, 310963), (298, 240005), (745, 96002), (1490, 48001), (2087, 34270), (3427, 20870), (4174, 17135), (6854, 10435)]

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