About the Number

200207490

200207489 ← → 200207491

2進数表記:1011111011101110110010000010

漢数字表記:二億二十万七千四百九十

素因数分解:

2 1 × 3 1 × 5 1 × 7 1 × 61 1 × 15629 1

素因数の和:15707
約数の個数: 64
約数和(自身を含む): 558178560
約数和(自身を除く): 357971070

約数列:
[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 61, 70, 105, 122, 183, 210, 305, 366, 427, 610, 854, 915, 1281, 1830, 2135, 2562, 4270, 6405, 12810, 15629, 31258, 46887, 78145, 93774, 109403, 156290, 218806, 234435, 328209, 468870, 547015, 656418, 953369, 1094030, 1641045, 1906738, 2860107, 3282090, 4766845, 5720214, 6673583, 9533690, 13347166, 14300535, 20020749, 28601070, 33367915, 40041498, 66735830, 100103745, 200207490]

約数ペア:
[(1, 200207490), (2, 100103745), (3, 66735830), (5, 40041498), (6, 33367915), (7, 28601070), (10, 20020749), (14, 14300535), (15, 13347166), (21, 9533690), (30, 6673583), (35, 5720214), (42, 4766845), (61, 3282090), (70, 2860107), (105, 1906738), (122, 1641045), (183, 1094030), (210, 953369), (305, 656418), (366, 547015), (427, 468870), (610, 328209), (854, 234435), (915, 218806), (1281, 156290), (1830, 109403), (2135, 93774), (2562, 78145), (4270, 46887), (6405, 31258), (12810, 15629)]

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