About the Number

131490690

131490689 ← → 131490691

2進数表記:111110101100110001110000010

漢数字表記:一億三千百四十九万六百九十

素因数分解:

2 1 × 3 1 × 5 1 × 41 1 × 106903 1

素因数の和:106954
約数の個数: 32
約数和(自身を含む): 323277696
約数和(自身を除く): 191787006

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 41, 82, 123, 205, 246, 410, 615, 1230, 106903, 213806, 320709, 534515, 641418, 1069030, 1603545, 3207090, 4383023, 8766046, 13149069, 21915115, 26298138, 43830230, 65745345, 131490690]

約数ペア:
[(1, 131490690), (2, 65745345), (3, 43830230), (5, 26298138), (6, 21915115), (10, 13149069), (15, 8766046), (30, 4383023), (41, 3207090), (82, 1603545), (123, 1069030), (205, 641418), (246, 534515), (410, 320709), (615, 213806), (1230, 106903)]

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