About the Number

129949148

129949147 ← → 129949149

2進数表記:111101111101101110111011100

漢数字表記:一億二千九百九十四万九千百四十八

素因数分解:

2 2 × 7 1 × 31 1 × 149711 1

素因数の和:149753
約数の個数: 24
約数和(自身を含む): 268283904
約数和(自身を除く): 138334756

約数列:
[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 149711, 299422, 598844, 1047977, 2095954, 4191908, 4641041, 9282082, 18564164, 32487287, 64974574, 129949148]

約数ペア:
[(1, 129949148), (2, 64974574), (4, 32487287), (7, 18564164), (14, 9282082), (28, 4641041), (31, 4191908), (62, 2095954), (124, 1047977), (217, 598844), (434, 299422), (868, 149711)]

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