About the Number

201005490

201005489 ← → 201005491

2進数表記:1011111110110001100110110010

漢数字表記:二億百万五千四百九十

素因数分解:

2 1 × 3 1 × 5 1 × 7 1 × 957169 1

素因数の和:957186
約数の個数: 32
約数和(自身を含む): 551329920
約数和(自身を除く): 350324430

約数列:
[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 957169, 1914338, 2871507, 4785845, 5743014, 6700183, 9571690, 13400366, 14357535, 20100549, 28715070, 33500915, 40201098, 67001830, 100502745, 201005490]

約数ペア:
[(1, 201005490), (2, 100502745), (3, 67001830), (5, 40201098), (6, 33500915), (7, 28715070), (10, 20100549), (14, 14357535), (15, 13400366), (21, 9571690), (30, 6700183), (35, 5743014), (42, 4785845), (70, 2871507), (105, 1914338), (210, 957169)]

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