About the Number

123225980

123225979 ← → 123225981

2進数表記:111010110000100011101111100

漢数字表記:一億二千三百二十二万五千九百八十

素因数分解:

2 2 × 5 1 × 149 1 × 41351 1

素因数の和:41509
約数の個数: 24
約数和(自身を含む): 260517600
約数和(自身を除く): 137291620

約数列:
[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 41351, 82702, 165404, 206755, 413510, 827020, 6161299, 12322598, 24645196, 30806495, 61612990, 123225980]

約数ペア:
[(1, 123225980), (2, 61612990), (4, 30806495), (5, 24645196), (10, 12322598), (20, 6161299), (149, 827020), (298, 413510), (596, 206755), (745, 165404), (1490, 82702), (2980, 41351)]

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