About the Number

201229728

201229727 ← → 201229729

2進数表記:1011111111101000010110100000

漢数字表記:二億百二十二万九千七百二十八

素因数分解:

2 5 × 3 1 × 7 1 × 61 1 × 4909 1

素因数の和:4990
約数の個数: 96
約数和(自身を含む): 613710720
約数和(自身を除く): 412480992

約数列:
[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 61, 84, 96, 112, 122, 168, 183, 224, 244, 336, 366, 427, 488, 672, 732, 854, 976, 1281, 1464, 1708, 1952, 2562, 2928, 3416, 4909, 5124, 5856, 6832, 9818, 10248, 13664, 14727, 19636, 20496, 29454, 34363, 39272, 40992, 58908, 68726, 78544, 103089, 117816, 137452, 157088, 206178, 235632, 274904, 299449, 412356, 471264, 549808, 598898, 824712, 898347, 1099616, 1197796, 1649424, 1796694, 2096143, 2395592, 3298848, 3593388, 4192286, 4791184, 6288429, 7186776, 8384572, 9582368, 12576858, 14373552, 16769144, 25153716, 28747104, 33538288, 50307432, 67076576, 100614864, 201229728]

約数ペア:
[(1, 201229728), (2, 100614864), (3, 67076576), (4, 50307432), (6, 33538288), (7, 28747104), (8, 25153716), (12, 16769144), (14, 14373552), (16, 12576858), (21, 9582368), (24, 8384572), (28, 7186776), (32, 6288429), (42, 4791184), (48, 4192286), (56, 3593388), (61, 3298848), (84, 2395592), (96, 2096143), (112, 1796694), (122, 1649424), (168, 1197796), (183, 1099616), (224, 898347), (244, 824712), (336, 598898), (366, 549808), (427, 471264), (488, 412356), (672, 299449), (732, 274904), (854, 235632), (976, 206178), (1281, 157088), (1464, 137452), (1708, 117816), (1952, 103089), (2562, 78544), (2928, 68726), (3416, 58908), (4909, 40992), (5124, 39272), (5856, 34363), (6832, 29454), (9818, 20496), (10248, 19636), (13664, 14727)]

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