257907384

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{1783}}^1$

素因数の和:1850

約数の個数: 144

約数和(自身を含む): 832824720

約数和(自身を除く): 574917336

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 41, 42, 49, 56, 63, 72, 82, 84, 98, 123, 126, 147, 164, 168, 196, 246, 252, 287, 294, 328, 369, 392, 441, 492, 504, 574, 588, 738, 861, 882, 984, 1148, 1176, 1476, 1722, 1764, 1783, 2009, 2296, 2583, 2952, 3444, 3528, 3566, 4018, 5166, 5349, 6027, 6888, 7132, 8036, 10332, 10698, 12054, 12481, 14264, 16047, 16072, 18081, 20664, 21396, 24108, 24962, 32094, 36162, 37443, 42792, 48216, 49924, 64188, 72324, 73103, 74886, 87367, 99848, 112329, 128376, 144648, 146206, 149772, 174734, 219309, 224658, 262101, 292412, 299544, 349468, 438618, 449316, 511721, 524202, 584824, 657927, 698936, 786303, 877236, 898632, 1023442, 1048404, 1315854, 1535163, 1572606, 1754472, 2046884, 2096808, 2631708, 3070326, 3145212, 3582047, 4093768, 4605489, 5263416, 6140652, 6290424, 7164094, 9210978, 10746141, 12281304, 14328188, 18421956, 21492282, 28656376, 32238423, 36843912, 42984564, 64476846, 85969128, 128953692, 257907384]

約数ペア:

[(1, 257907384), (2, 128953692), (3, 85969128), (4, 64476846), (6, 42984564), (7, 36843912), (8, 32238423), (9, 28656376), (12, 21492282), (14, 18421956), (18, 14328188), (21, 12281304), (24, 10746141), (28, 9210978), (36, 7164094), (41, 6290424), (42, 6140652), (49, 5263416), (56, 4605489), (63, 4093768), (72, 3582047), (82, 3145212), (84, 3070326), (98, 2631708), (123, 2096808), (126, 2046884), (147, 1754472), (164, 1572606), (168, 1535163), (196, 1315854), (246, 1048404), (252, 1023442), (287, 898632), (294, 877236), (328, 786303), (369, 698936), (392, 657927), (441, 584824), (492, 524202), (504, 511721), (574, 449316), (588, 438618), (738, 349468), (861, 299544), (882, 292412), (984, 262101), (1148, 224658), (1176, 219309), (1476, 174734), (1722, 149772), (1764, 146206), (1783, 144648), (2009, 128376), (2296, 112329), (2583, 99848), (2952, 87367), (3444, 74886), (3528, 73103), (3566, 72324), (4018, 64188), (5166, 49924), (5349, 48216), (6027, 42792), (6888, 37443), (7132, 36162), (8036, 32094), (10332, 24962), (10698, 24108), (12054, 21396), (12481, 20664), (14264, 18081), (16047, 16072)]