About the Number

48509990

48509989 ← → 48509991

2進数表記:10111001000011010000100110

漢数字表記:四千八百五十万九千九百九十

素因数分解:

2 1 × 5 1 × 23 1 × 210913 1

素因数の和:210943
約数の個数: 16
約数和(自身を含む): 91114848
約数和(自身を除く): 42604858

約数列:
[1, 2, 5, 10, 23, 46, 115, 230, 210913, 421826, 1054565, 2109130, 4850999, 9701998, 24254995, 48509990]

約数ペア:
[(1, 48509990), (2, 24254995), (5, 9701998), (10, 4850999), (23, 2109130), (46, 1054565), (115, 421826), (230, 210913)]

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