About the Number

129705072

129705071 ← → 129705073

2進数表記:111101110110010010001110000

漢数字表記:一億二千九百七十万五千七十二

素因数分解:

2 4 × 3 1 × 7 1 × 71 1 × 5437 1

素因数の和:5526
約数の個数: 80
約数和(自身を含む): 388403712
約数和(自身を除く): 258698640

約数列:
[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 71, 84, 112, 142, 168, 213, 284, 336, 426, 497, 568, 852, 994, 1136, 1491, 1704, 1988, 2982, 3408, 3976, 5437, 5964, 7952, 10874, 11928, 16311, 21748, 23856, 32622, 38059, 43496, 65244, 76118, 86992, 114177, 130488, 152236, 228354, 260976, 304472, 386027, 456708, 608944, 772054, 913416, 1158081, 1544108, 1826832, 2316162, 2702189, 3088216, 4632324, 5404378, 6176432, 8106567, 9264648, 10808756, 16213134, 18529296, 21617512, 32426268, 43235024, 64852536, 129705072]

約数ペア:
[(1, 129705072), (2, 64852536), (3, 43235024), (4, 32426268), (6, 21617512), (7, 18529296), (8, 16213134), (12, 10808756), (14, 9264648), (16, 8106567), (21, 6176432), (24, 5404378), (28, 4632324), (42, 3088216), (48, 2702189), (56, 2316162), (71, 1826832), (84, 1544108), (112, 1158081), (142, 913416), (168, 772054), (213, 608944), (284, 456708), (336, 386027), (426, 304472), (497, 260976), (568, 228354), (852, 152236), (994, 130488), (1136, 114177), (1491, 86992), (1704, 76118), (1988, 65244), (2982, 43496), (3408, 38059), (3976, 32622), (5437, 23856), (5964, 21748), (7952, 16311), (10874, 11928)]

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