389516288

素因数分解:

$2^{10}\times 7^3\times {\mathrm{1109}}^1$

素因数の和:1150

約数の個数: 88

約数和(自身を含む): 908868000

約数和(自身を除く): 519351712

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 343, 392, 448, 512, 686, 784, 896, 1024, 1109, 1372, 1568, 1792, 2218, 2744, 3136, 3584, 4436, 5488, 6272, 7168, 7763, 8872, 10976, 12544, 15526, 17744, 21952, 25088, 31052, 35488, 43904, 50176, 54341, 62104, 70976, 87808, 108682, 124208, 141952, 175616, 217364, 248416, 283904, 351232, 380387, 434728, 496832, 567808, 760774, 869456, 993664, 1135616, 1521548, 1738912, 1987328, 3043096, 3477824, 3974656, 6086192, 6955648, 7949312, 12172384, 13911296, 24344768, 27822592, 48689536, 55645184, 97379072, 194758144, 389516288]

約数ペア:

[(1, 389516288), (2, 194758144), (4, 97379072), (7, 55645184), (8, 48689536), (14, 27822592), (16, 24344768), (28, 13911296), (32, 12172384), (49, 7949312), (56, 6955648), (64, 6086192), (98, 3974656), (112, 3477824), (128, 3043096), (196, 1987328), (224, 1738912), (256, 1521548), (343, 1135616), (392, 993664), (448, 869456), (512, 760774), (686, 567808), (784, 496832), (896, 434728), (1024, 380387), (1109, 351232), (1372, 283904), (1568, 248416), (1792, 217364), (2218, 175616), (2744, 141952), (3136, 124208), (3584, 108682), (4436, 87808), (5488, 70976), (6272, 62104), (7168, 54341), (7763, 50176), (8872, 43904), (10976, 35488), (12544, 31052), (15526, 25088), (17744, 21952)]