About the Number

102408990

102408989 ← → 102408991

2進数表記:110000110101010001100011110

漢数字表記:一億二百四十万八千九百九十

素因数分解:

2 1 × 3 1 × 5 1 × 127 1 × 26879 1

素因数の和:27016
約数の個数: 32
約数和(自身を含む): 247726080
約数和(自身を除く): 145317090

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 127, 254, 381, 635, 762, 1270, 1905, 3810, 26879, 53758, 80637, 134395, 161274, 268790, 403185, 806370, 3413633, 6827266, 10240899, 17068165, 20481798, 34136330, 51204495, 102408990]

約数ペア:
[(1, 102408990), (2, 51204495), (3, 34136330), (5, 20481798), (6, 17068165), (10, 10240899), (15, 6827266), (30, 3413633), (127, 806370), (254, 403185), (381, 268790), (635, 161274), (762, 134395), (1270, 80637), (1905, 53758), (3810, 26879)]

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