About the Number

138237890

138237889 ← → 138237891

2進数表記:1000001111010101011111000010

漢数字表記:一億三千八百二十三万七千八百九十

素因数分解:

2 1 × 5 1 × 7 1 × 367 1 × 5381 1

素因数の和:5762
約数の個数: 32
約数和(自身を含む): 285202944
約数和(自身を除く): 146965054

約数列:
[1, 2, 5, 7, 10, 14, 35, 70, 367, 734, 1835, 2569, 3670, 5138, 5381, 10762, 12845, 25690, 26905, 37667, 53810, 75334, 188335, 376670, 1974827, 3949654, 9874135, 13823789, 19748270, 27647578, 69118945, 138237890]

約数ペア:
[(1, 138237890), (2, 69118945), (5, 27647578), (7, 19748270), (10, 13823789), (14, 9874135), (35, 3949654), (70, 1974827), (367, 376670), (734, 188335), (1835, 75334), (2569, 53810), (3670, 37667), (5138, 26905), (5381, 25690), (10762, 12845)]

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