About the Number

201220656

201220655 ← → 201220657

2進数表記:1011111111100110001000110000

漢数字表記:二億百二十二万六百五十六

素因数分解:

2 4 × 3 1 × 7 2 × 13 1 × 6581 1

素因数の和:6619
約数の個数: 120
約数和(自身を含む): 651302064
約数和(自身を除く): 450081408

約数列:
[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 39, 42, 48, 49, 52, 56, 78, 84, 91, 98, 104, 112, 147, 156, 168, 182, 196, 208, 273, 294, 312, 336, 364, 392, 546, 588, 624, 637, 728, 784, 1092, 1176, 1274, 1456, 1911, 2184, 2352, 2548, 3822, 4368, 5096, 6581, 7644, 10192, 13162, 15288, 19743, 26324, 30576, 39486, 46067, 52648, 78972, 85553, 92134, 105296, 138201, 157944, 171106, 184268, 256659, 276402, 315888, 322469, 342212, 368536, 513318, 552804, 598871, 644938, 684424, 737072, 967407, 1026636, 1105608, 1197742, 1289876, 1368848, 1796613, 1934814, 2053272, 2211216, 2395484, 2579752, 3593226, 3869628, 4106544, 4192097, 4790968, 5159504, 7186452, 7739256, 8384194, 9581936, 12576291, 14372904, 15478512, 16768388, 25152582, 28745808, 33536776, 50305164, 67073552, 100610328, 201220656]

約数ペア:
[(1, 201220656), (2, 100610328), (3, 67073552), (4, 50305164), (6, 33536776), (7, 28745808), (8, 25152582), (12, 16768388), (13, 15478512), (14, 14372904), (16, 12576291), (21, 9581936), (24, 8384194), (26, 7739256), (28, 7186452), (39, 5159504), (42, 4790968), (48, 4192097), (49, 4106544), (52, 3869628), (56, 3593226), (78, 2579752), (84, 2395484), (91, 2211216), (98, 2053272), (104, 1934814), (112, 1796613), (147, 1368848), (156, 1289876), (168, 1197742), (182, 1105608), (196, 1026636), (208, 967407), (273, 737072), (294, 684424), (312, 644938), (336, 598871), (364, 552804), (392, 513318), (546, 368536), (588, 342212), (624, 322469), (637, 315888), (728, 276402), (784, 256659), (1092, 184268), (1176, 171106), (1274, 157944), (1456, 138201), (1911, 105296), (2184, 92134), (2352, 85553), (2548, 78972), (3822, 52648), (4368, 46067), (5096, 39486), (6581, 30576), (7644, 26324), (10192, 19743), (13162, 15288)]

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