211771872

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{229}}^1$

素因数の和:290

約数の個数: 216

約数和(自身を含む): 689434200

約数和(自身を除く): 477662328

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 19, 24, 26, 32, 36, 38, 39, 48, 52, 57, 72, 76, 78, 96, 104, 114, 117, 144, 152, 156, 169, 171, 208, 228, 229, 234, 247, 288, 304, 312, 338, 342, 416, 456, 458, 468, 494, 507, 608, 624, 676, 684, 687, 741, 912, 916, 936, 988, 1014, 1248, 1352, 1368, 1374, 1482, 1521, 1824, 1832, 1872, 1976, 2028, 2061, 2223, 2704, 2736, 2748, 2964, 2977, 3042, 3211, 3664, 3744, 3952, 4056, 4122, 4351, 4446, 5408, 5472, 5496, 5928, 5954, 6084, 6422, 7328, 7904, 8112, 8244, 8702, 8892, 8931, 9633, 10992, 11856, 11908, 12168, 12844, 13053, 16224, 16488, 17404, 17784, 17862, 19266, 21984, 23712, 23816, 24336, 25688, 26106, 26793, 28899, 32976, 34808, 35568, 35724, 38532, 38701, 39159, 47632, 48672, 51376, 52212, 53586, 56563, 57798, 65952, 69616, 71136, 71448, 77064, 77402, 78318, 95264, 102752, 104424, 107172, 113126, 115596, 116103, 139232, 142896, 154128, 154804, 156636, 169689, 208848, 214344, 226252, 231192, 232206, 285792, 308256, 309608, 313272, 339378, 348309, 417696, 428688, 452504, 462384, 464412, 509067, 619216, 626544, 678756, 696618, 735319, 857376, 905008, 924768, 928824, 1018134, 1238432, 1253088, 1357512, 1393236, 1470638, 1810016, 1857648, 2036268, 2205957, 2715024, 2786472, 2941276, 3715296, 4072536, 4411914, 5430048, 5572944, 5882552, 6617871, 8145072, 8823828, 11145888, 11765104, 13235742, 16290144, 17647656, 23530208, 26471484, 35295312, 52942968, 70590624, 105885936, 211771872]

約数ペア:

[(1, 211771872), (2, 105885936), (3, 70590624), (4, 52942968), (6, 35295312), (8, 26471484), (9, 23530208), (12, 17647656), (13, 16290144), (16, 13235742), (18, 11765104), (19, 11145888), (24, 8823828), (26, 8145072), (32, 6617871), (36, 5882552), (38, 5572944), (39, 5430048), (48, 4411914), (52, 4072536), (57, 3715296), (72, 2941276), (76, 2786472), (78, 2715024), (96, 2205957), (104, 2036268), (114, 1857648), (117, 1810016), (144, 1470638), (152, 1393236), (156, 1357512), (169, 1253088), (171, 1238432), (208, 1018134), (228, 928824), (229, 924768), (234, 905008), (247, 857376), (288, 735319), (304, 696618), (312, 678756), (338, 626544), (342, 619216), (416, 509067), (456, 464412), (458, 462384), (468, 452504), (494, 428688), (507, 417696), (608, 348309), (624, 339378), (676, 313272), (684, 309608), (687, 308256), (741, 285792), (912, 232206), (916, 231192), (936, 226252), (988, 214344), (1014, 208848), (1248, 169689), (1352, 156636), (1368, 154804), (1374, 154128), (1482, 142896), (1521, 139232), (1824, 116103), (1832, 115596), (1872, 113126), (1976, 107172), (2028, 104424), (2061, 102752), (2223, 95264), (2704, 78318), (2736, 77402), (2748, 77064), (2964, 71448), (2977, 71136), (3042, 69616), (3211, 65952), (3664, 57798), (3744, 56563), (3952, 53586), (4056, 52212), (4122, 51376), (4351, 48672), (4446, 47632), (5408, 39159), (5472, 38701), (5496, 38532), (5928, 35724), (5954, 35568), (6084, 34808), (6422, 32976), (7328, 28899), (7904, 26793), (8112, 26106), (8244, 25688), (8702, 24336), (8892, 23816), (8931, 23712), (9633, 21984), (10992, 19266), (11856, 17862), (11908, 17784), (12168, 17404), (12844, 16488), (13053, 16224)]