205778048

素因数分解:

$2^7\times 7^3\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:187

約数の個数: 128

約数和(自身を含む): 493680000

約数和(自身を除く): 287901952

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 49, 56, 64, 86, 98, 109, 112, 128, 172, 196, 218, 224, 301, 343, 344, 392, 436, 448, 602, 686, 688, 763, 784, 872, 896, 1204, 1372, 1376, 1526, 1568, 1744, 2107, 2408, 2744, 2752, 3052, 3136, 3488, 4214, 4687, 4816, 5341, 5488, 5504, 6104, 6272, 6976, 8428, 9374, 9632, 10682, 10976, 12208, 13952, 14749, 16856, 18748, 19264, 21364, 21952, 24416, 29498, 32809, 33712, 37387, 37496, 38528, 42728, 43904, 48832, 58996, 65618, 67424, 74774, 74992, 85456, 97664, 117992, 131236, 134848, 149548, 149984, 170912, 229663, 235984, 262472, 269696, 299096, 299968, 341824, 459326, 471968, 524944, 598192, 599936, 683648, 918652, 943936, 1049888, 1196384, 1607641, 1837304, 1887872, 2099776, 2392768, 3215282, 3674608, 4199552, 4785536, 6430564, 7349216, 12861128, 14698432, 25722256, 29396864, 51444512, 102889024, 205778048]

約数ペア:

[(1, 205778048), (2, 102889024), (4, 51444512), (7, 29396864), (8, 25722256), (14, 14698432), (16, 12861128), (28, 7349216), (32, 6430564), (43, 4785536), (49, 4199552), (56, 3674608), (64, 3215282), (86, 2392768), (98, 2099776), (109, 1887872), (112, 1837304), (128, 1607641), (172, 1196384), (196, 1049888), (218, 943936), (224, 918652), (301, 683648), (343, 599936), (344, 598192), (392, 524944), (436, 471968), (448, 459326), (602, 341824), (686, 299968), (688, 299096), (763, 269696), (784, 262472), (872, 235984), (896, 229663), (1204, 170912), (1372, 149984), (1376, 149548), (1526, 134848), (1568, 131236), (1744, 117992), (2107, 97664), (2408, 85456), (2744, 74992), (2752, 74774), (3052, 67424), (3136, 65618), (3488, 58996), (4214, 48832), (4687, 43904), (4816, 42728), (5341, 38528), (5488, 37496), (5504, 37387), (6104, 33712), (6272, 32809), (6976, 29498), (8428, 24416), (9374, 21952), (9632, 21364), (10682, 19264), (10976, 18748), (12208, 16856), (13952, 14749)]