251221152

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1$

素因数の和:375

約数の個数: 192

約数和(自身を含む): 821318400

約数和(自身を除く): 570097248

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 32, 39, 42, 48, 52, 56, 78, 84, 91, 96, 104, 112, 149, 156, 168, 182, 193, 208, 224, 273, 298, 312, 336, 364, 386, 416, 447, 546, 579, 596, 624, 672, 728, 772, 894, 1043, 1092, 1158, 1192, 1248, 1351, 1456, 1544, 1788, 1937, 2086, 2184, 2316, 2384, 2509, 2702, 2912, 3088, 3129, 3576, 3874, 4053, 4172, 4368, 4632, 4768, 5018, 5404, 5811, 6176, 6258, 7152, 7527, 7748, 8106, 8344, 8736, 9264, 10036, 10808, 11622, 12516, 13559, 14304, 15054, 15496, 16212, 16688, 17563, 18528, 20072, 21616, 23244, 25032, 27118, 28757, 30108, 30992, 32424, 33376, 35126, 40144, 40677, 43232, 46488, 50064, 52689, 54236, 57514, 60216, 61984, 64848, 70252, 80288, 81354, 86271, 92976, 100128, 105378, 108472, 115028, 120432, 129696, 140504, 162708, 172542, 185952, 201299, 210756, 216944, 230056, 240864, 281008, 325416, 345084, 373841, 402598, 421512, 433888, 460112, 562016, 603897, 650832, 690168, 747682, 805196, 843024, 920224, 1121523, 1207794, 1301664, 1380336, 1495364, 1610392, 1686048, 2243046, 2415588, 2616887, 2760672, 2990728, 3220784, 4486092, 4831176, 5233774, 5981456, 6441568, 7850661, 8972184, 9662352, 10467548, 11962912, 15701322, 17944368, 19324704, 20935096, 31402644, 35888736, 41870192, 62805288, 83740384, 125610576, 251221152]

約数ペア:

[(1, 251221152), (2, 125610576), (3, 83740384), (4, 62805288), (6, 41870192), (7, 35888736), (8, 31402644), (12, 20935096), (13, 19324704), (14, 17944368), (16, 15701322), (21, 11962912), (24, 10467548), (26, 9662352), (28, 8972184), (32, 7850661), (39, 6441568), (42, 5981456), (48, 5233774), (52, 4831176), (56, 4486092), (78, 3220784), (84, 2990728), (91, 2760672), (96, 2616887), (104, 2415588), (112, 2243046), (149, 1686048), (156, 1610392), (168, 1495364), (182, 1380336), (193, 1301664), (208, 1207794), (224, 1121523), (273, 920224), (298, 843024), (312, 805196), (336, 747682), (364, 690168), (386, 650832), (416, 603897), (447, 562016), (546, 460112), (579, 433888), (596, 421512), (624, 402598), (672, 373841), (728, 345084), (772, 325416), (894, 281008), (1043, 240864), (1092, 230056), (1158, 216944), (1192, 210756), (1248, 201299), (1351, 185952), (1456, 172542), (1544, 162708), (1788, 140504), (1937, 129696), (2086, 120432), (2184, 115028), (2316, 108472), (2384, 105378), (2509, 100128), (2702, 92976), (2912, 86271), (3088, 81354), (3129, 80288), (3576, 70252), (3874, 64848), (4053, 61984), (4172, 60216), (4368, 57514), (4632, 54236), (4768, 52689), (5018, 50064), (5404, 46488), (5811, 43232), (6176, 40677), (6258, 40144), (7152, 35126), (7527, 33376), (7748, 32424), (8106, 30992), (8344, 30108), (8736, 28757), (9264, 27118), (10036, 25032), (10808, 23244), (11622, 21616), (12516, 20072), (13559, 18528), (14304, 17563), (15054, 16688), (15496, 16212)]