204899968

素因数分解:

$2^7\times 7^3\times {\mathrm{13}}^1\times {\mathrm{359}}^1$

素因数の和:407

約数の個数: 128

約数和(自身を含む): 514080000

約数和(自身を除く): 309180032

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 64, 91, 98, 104, 112, 128, 182, 196, 208, 224, 343, 359, 364, 392, 416, 448, 637, 686, 718, 728, 784, 832, 896, 1274, 1372, 1436, 1456, 1568, 1664, 2513, 2548, 2744, 2872, 2912, 3136, 4459, 4667, 5026, 5096, 5488, 5744, 5824, 6272, 8918, 9334, 10052, 10192, 10976, 11488, 11648, 17591, 17836, 18668, 20104, 20384, 21952, 22976, 32669, 35182, 35672, 37336, 40208, 40768, 43904, 45952, 65338, 70364, 71344, 74672, 80416, 81536, 123137, 130676, 140728, 142688, 149344, 160832, 228683, 246274, 261352, 281456, 285376, 298688, 321664, 457366, 492548, 522704, 562912, 570752, 597376, 914732, 985096, 1045408, 1125824, 1600781, 1829464, 1970192, 2090816, 2251648, 3201562, 3658928, 3940384, 4181632, 6403124, 7317856, 7880768, 12806248, 14635712, 15761536, 25612496, 29271424, 51224992, 102449984, 204899968]

約数ペア:

[(1, 204899968), (2, 102449984), (4, 51224992), (7, 29271424), (8, 25612496), (13, 15761536), (14, 14635712), (16, 12806248), (26, 7880768), (28, 7317856), (32, 6403124), (49, 4181632), (52, 3940384), (56, 3658928), (64, 3201562), (91, 2251648), (98, 2090816), (104, 1970192), (112, 1829464), (128, 1600781), (182, 1125824), (196, 1045408), (208, 985096), (224, 914732), (343, 597376), (359, 570752), (364, 562912), (392, 522704), (416, 492548), (448, 457366), (637, 321664), (686, 298688), (718, 285376), (728, 281456), (784, 261352), (832, 246274), (896, 228683), (1274, 160832), (1372, 149344), (1436, 142688), (1456, 140728), (1568, 130676), (1664, 123137), (2513, 81536), (2548, 80416), (2744, 74672), (2872, 71344), (2912, 70364), (3136, 65338), (4459, 45952), (4667, 43904), (5026, 40768), (5096, 40208), (5488, 37336), (5744, 35672), (5824, 35182), (6272, 32669), (8918, 22976), (9334, 21952), (10052, 20384), (10192, 20104), (10976, 18668), (11488, 17836), (11648, 17591)]