About the Number

201205288

201205287 ← → 201205289

2進数表記:1011111111100010011000101000

漢数字表記:二億百二十万五千二百八十八

素因数分解:

2 3 × 19 1 × 23 1 × 67 1 × 859 1

素因数の和:974
約数の個数: 64
約数和(自身を含む): 421056000
約数和(自身を除く): 219850712

約数列:
[1, 2, 4, 8, 19, 23, 38, 46, 67, 76, 92, 134, 152, 184, 268, 437, 536, 859, 874, 1273, 1541, 1718, 1748, 2546, 3082, 3436, 3496, 5092, 6164, 6872, 10184, 12328, 16321, 19757, 29279, 32642, 39514, 57553, 58558, 65284, 79028, 115106, 117116, 130568, 158056, 230212, 234232, 375383, 460424, 750766, 1093507, 1323719, 1501532, 2187014, 2647438, 3003064, 4374028, 5294876, 8748056, 10589752, 25150661, 50301322, 100602644, 201205288]

約数ペア:
[(1, 201205288), (2, 100602644), (4, 50301322), (8, 25150661), (19, 10589752), (23, 8748056), (38, 5294876), (46, 4374028), (67, 3003064), (76, 2647438), (92, 2187014), (134, 1501532), (152, 1323719), (184, 1093507), (268, 750766), (437, 460424), (536, 375383), (859, 234232), (874, 230212), (1273, 158056), (1541, 130568), (1718, 117116), (1748, 115106), (2546, 79028), (3082, 65284), (3436, 58558), (3496, 57553), (5092, 39514), (6164, 32642), (6872, 29279), (10184, 19757), (12328, 16321)]

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