About the Number

201301870

201301869 ← → 201301871

2進数表記:1011111111111001111101101110

漢数字表記:二億百三十万千八百七十

素因数分解:

2 1 × 5 1 × 7 1 × 11 1 × 261431 1

素因数の和:261456
約数の個数: 32
約数和(自身を含む): 451754496
約数和(自身を除く): 250452626

約数列:
[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 261431, 522862, 1307155, 1830017, 2614310, 2875741, 3660034, 5751482, 9150085, 14378705, 18300170, 20130187, 28757410, 40260374, 100650935, 201301870]

約数ペア:
[(1, 201301870), (2, 100650935), (5, 40260374), (7, 28757410), (10, 20130187), (11, 18300170), (14, 14378705), (22, 9150085), (35, 5751482), (55, 3660034), (70, 2875741), (77, 2614310), (110, 1830017), (154, 1307155), (385, 522862), (770, 261431)]

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