390519808

素因数分解:

$2^{10}\times 7^2\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:258

約数の個数: 132

約数和(自身を含む): 934365432

約数和(自身を除く): 543845624

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 49, 56, 64, 86, 98, 112, 128, 172, 181, 196, 224, 256, 301, 344, 362, 392, 448, 512, 602, 688, 724, 784, 896, 1024, 1204, 1267, 1376, 1448, 1568, 1792, 2107, 2408, 2534, 2752, 2896, 3136, 3584, 4214, 4816, 5068, 5504, 5792, 6272, 7168, 7783, 8428, 8869, 9632, 10136, 11008, 11584, 12544, 15566, 16856, 17738, 19264, 20272, 22016, 23168, 25088, 31132, 33712, 35476, 38528, 40544, 44032, 46336, 50176, 54481, 62264, 67424, 70952, 77056, 81088, 92672, 108962, 124528, 134848, 141904, 154112, 162176, 185344, 217924, 249056, 269696, 283808, 308224, 324352, 381367, 435848, 498112, 539392, 567616, 648704, 762734, 871696, 996224, 1078784, 1135232, 1297408, 1525468, 1743392, 1992448, 2157568, 2270464, 3050936, 3486784, 3984896, 4540928, 6101872, 6973568, 7969792, 9081856, 12203744, 13947136, 24407488, 27894272, 48814976, 55788544, 97629952, 195259904, 390519808]

約数ペア:

[(1, 390519808), (2, 195259904), (4, 97629952), (7, 55788544), (8, 48814976), (14, 27894272), (16, 24407488), (28, 13947136), (32, 12203744), (43, 9081856), (49, 7969792), (56, 6973568), (64, 6101872), (86, 4540928), (98, 3984896), (112, 3486784), (128, 3050936), (172, 2270464), (181, 2157568), (196, 1992448), (224, 1743392), (256, 1525468), (301, 1297408), (344, 1135232), (362, 1078784), (392, 996224), (448, 871696), (512, 762734), (602, 648704), (688, 567616), (724, 539392), (784, 498112), (896, 435848), (1024, 381367), (1204, 324352), (1267, 308224), (1376, 283808), (1448, 269696), (1568, 249056), (1792, 217924), (2107, 185344), (2408, 162176), (2534, 154112), (2752, 141904), (2896, 134848), (3136, 124528), (3584, 108962), (4214, 92672), (4816, 81088), (5068, 77056), (5504, 70952), (5792, 67424), (6272, 62264), (7168, 54481), (7783, 50176), (8428, 46336), (8869, 44032), (9632, 40544), (10136, 38528), (11008, 35476), (11584, 33712), (12544, 31132), (15566, 25088), (16856, 23168), (17738, 22016), (19264, 20272)]