205345868

素因数分解:

$2^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{397}}^1$

素因数の和:464

約数の個数: 96

約数和(自身を含む): 468048000

約数和(自身を除く): 262702132

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 29, 49, 52, 58, 91, 98, 116, 182, 196, 203, 343, 364, 377, 397, 406, 637, 686, 754, 794, 812, 1274, 1372, 1421, 1508, 1588, 2548, 2639, 2779, 2842, 4459, 5161, 5278, 5558, 5684, 8918, 9947, 10322, 10556, 11116, 11513, 17836, 18473, 19453, 19894, 20644, 23026, 36127, 36946, 38906, 39788, 46052, 72254, 73892, 77812, 80591, 129311, 136171, 144508, 149669, 161182, 252889, 258622, 272342, 299338, 322364, 505778, 517244, 544684, 564137, 598676, 1011556, 1047683, 1128274, 1770223, 2095366, 2256548, 3540446, 3948959, 4190732, 7080892, 7333781, 7897918, 14667562, 15795836, 29335124, 51336467, 102672934, 205345868]

約数ペア:

[(1, 205345868), (2, 102672934), (4, 51336467), (7, 29335124), (13, 15795836), (14, 14667562), (26, 7897918), (28, 7333781), (29, 7080892), (49, 4190732), (52, 3948959), (58, 3540446), (91, 2256548), (98, 2095366), (116, 1770223), (182, 1128274), (196, 1047683), (203, 1011556), (343, 598676), (364, 564137), (377, 544684), (397, 517244), (406, 505778), (637, 322364), (686, 299338), (754, 272342), (794, 258622), (812, 252889), (1274, 161182), (1372, 149669), (1421, 144508), (1508, 136171), (1588, 129311), (2548, 80591), (2639, 77812), (2779, 73892), (2842, 72254), (4459, 46052), (5161, 39788), (5278, 38906), (5558, 36946), (5684, 36127), (8918, 23026), (9947, 20644), (10322, 19894), (10556, 19453), (11116, 18473), (11513, 17836)]