About the Number

1338876690

1338876689 ← → 1338876691

2進数表記:1001111110011011010001100010010

漢数字表記:十三億三千八百八十七万六千六百九十

素因数分解:

2 1 × 3 1 × 5 1 × 23 1 × 1940401 1

素因数の和:1940434
約数の個数: 32
約数和(自身を含む): 3353014656
約数和(自身を除く): 2014137966

約数列:
[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 1940401, 3880802, 5821203, 9702005, 11642406, 19404010, 29106015, 44629223, 58212030, 89258446, 133887669, 223146115, 267775338, 446292230, 669438345, 1338876690]

約数ペア:
[(1, 1338876690), (2, 669438345), (3, 446292230), (5, 267775338), (6, 223146115), (10, 133887669), (15, 89258446), (23, 58212030), (30, 44629223), (46, 29106015), (69, 19404010), (115, 11642406), (138, 9702005), (230, 5821203), (345, 3880802), (690, 1940401)]

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