209564768

素因数分解:

$2^5\times 7^3\times {\mathrm{61}}^1\times {\mathrm{313}}^1$

素因数の和:405

約数の個数: 96

約数和(自身を含む): 490593600

約数和(自身を除く): 281028832

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 61, 98, 112, 122, 196, 224, 244, 313, 343, 392, 427, 488, 626, 686, 784, 854, 976, 1252, 1372, 1568, 1708, 1952, 2191, 2504, 2744, 2989, 3416, 4382, 5008, 5488, 5978, 6832, 8764, 10016, 10976, 11956, 13664, 15337, 17528, 19093, 20923, 23912, 30674, 35056, 38186, 41846, 47824, 61348, 70112, 76372, 83692, 95648, 107359, 122696, 133651, 152744, 167384, 214718, 245392, 267302, 305488, 334768, 429436, 490784, 534604, 610976, 669536, 858872, 935557, 1069208, 1717744, 1871114, 2138416, 3435488, 3742228, 4276832, 6548899, 7484456, 13097798, 14968912, 26195596, 29937824, 52391192, 104782384, 209564768]

約数ペア:

[(1, 209564768), (2, 104782384), (4, 52391192), (7, 29937824), (8, 26195596), (14, 14968912), (16, 13097798), (28, 7484456), (32, 6548899), (49, 4276832), (56, 3742228), (61, 3435488), (98, 2138416), (112, 1871114), (122, 1717744), (196, 1069208), (224, 935557), (244, 858872), (313, 669536), (343, 610976), (392, 534604), (427, 490784), (488, 429436), (626, 334768), (686, 305488), (784, 267302), (854, 245392), (976, 214718), (1252, 167384), (1372, 152744), (1568, 133651), (1708, 122696), (1952, 107359), (2191, 95648), (2504, 83692), (2744, 76372), (2989, 70112), (3416, 61348), (4382, 47824), (5008, 41846), (5488, 38186), (5978, 35056), (6832, 30674), (8764, 23912), (10016, 20923), (10976, 19093), (11956, 17528), (13664, 15337)]