About the Number

121003980

121003979 ← → 121003981

2進数表記:111001101100101111111001100

漢数字表記:一億二千百万三千九百八十

素因数分解:

2 2 × 3 1 × 5 1 × 2016733 1

素因数の和:2016745
約数の個数: 24
約数和(自身を含む): 338811312
約数和(自身を除く): 217807332

約数列:
[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2016733, 4033466, 6050199, 8066932, 10083665, 12100398, 20167330, 24200796, 30250995, 40334660, 60501990, 121003980]

約数ペア:
[(1, 121003980), (2, 60501990), (3, 40334660), (4, 30250995), (5, 24200796), (6, 20167330), (10, 12100398), (12, 10083665), (15, 8066932), (20, 6050199), (30, 4033466), (60, 2016733)]

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