About the Number

129724440

129724439 ← → 129724441

2進数表記:111101110110111000000011000

漢数字表記:一億二千九百七十二万四千四百四十

素因数分解:

2 3 × 3 1 × 5 1 × 1081037 1

素因数の和:1081051
約数の個数: 32
約数和(自身を含む): 389173680
約数和(自身を除く): 259449240

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1081037, 2162074, 3243111, 4324148, 5405185, 6486222, 8648296, 10810370, 12972444, 16215555, 21620740, 25944888, 32431110, 43241480, 64862220, 129724440]

約数ペア:
[(1, 129724440), (2, 64862220), (3, 43241480), (4, 32431110), (5, 25944888), (6, 21620740), (8, 16215555), (10, 12972444), (12, 10810370), (15, 8648296), (20, 6486222), (24, 5405185), (30, 4324148), (40, 3243111), (60, 2162074), (120, 1081037)]

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