About the Number

1242009680

1242009679 ← → 1242009681

2進数表記:1001010000001111001000001010000

漢数字表記:十二億四千二百万九千六百八十

素因数分解:

2 4 × 5 1 × 29 1 × 535349 1

素因数の和:535391
約数の個数: 40
約数和(自身を含む): 2987253000
約数和(自身を除く): 1745243320

約数列:
[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 535349, 1070698, 2141396, 2676745, 4282792, 5353490, 8565584, 10706980, 15525121, 21413960, 31050242, 42827920, 62100484, 77625605, 124200968, 155251210, 248401936, 310502420, 621004840, 1242009680]

約数ペア:
[(1, 1242009680), (2, 621004840), (4, 310502420), (5, 248401936), (8, 155251210), (10, 124200968), (16, 77625605), (20, 62100484), (29, 42827920), (40, 31050242), (58, 21413960), (80, 15525121), (116, 10706980), (145, 8565584), (232, 5353490), (290, 4282792), (464, 2676745), (580, 2141396), (1160, 1070698), (2320, 535349)]

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