289976456

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{211}}^1$

素因数の和:355

約数の個数: 128

約数和(自身を含む): 718018560

約数和(自身を除く): 428042104

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 23, 28, 44, 46, 56, 77, 88, 92, 97, 154, 161, 184, 194, 211, 253, 308, 322, 388, 422, 506, 616, 644, 679, 776, 844, 1012, 1067, 1288, 1358, 1477, 1688, 1771, 2024, 2134, 2231, 2321, 2716, 2954, 3542, 4268, 4462, 4642, 4853, 5432, 5908, 7084, 7469, 8536, 8924, 9284, 9706, 11816, 14168, 14938, 15617, 16247, 17848, 18568, 19412, 20467, 24541, 29876, 31234, 32494, 33971, 38824, 40934, 49082, 53383, 59752, 62468, 64988, 67942, 81868, 98164, 106766, 124936, 129976, 135884, 143269, 163736, 171787, 196328, 213532, 225137, 271768, 286538, 343574, 373681, 427064, 450274, 470741, 573076, 687148, 747362, 900548, 941482, 1146152, 1374296, 1494724, 1575959, 1801096, 1882964, 2989448, 3151918, 3295187, 3765928, 5178151, 6303836, 6590374, 10356302, 12607672, 13180748, 20712604, 26361496, 36247057, 41425208, 72494114, 144988228, 289976456]

約数ペア:

[(1, 289976456), (2, 144988228), (4, 72494114), (7, 41425208), (8, 36247057), (11, 26361496), (14, 20712604), (22, 13180748), (23, 12607672), (28, 10356302), (44, 6590374), (46, 6303836), (56, 5178151), (77, 3765928), (88, 3295187), (92, 3151918), (97, 2989448), (154, 1882964), (161, 1801096), (184, 1575959), (194, 1494724), (211, 1374296), (253, 1146152), (308, 941482), (322, 900548), (388, 747362), (422, 687148), (506, 573076), (616, 470741), (644, 450274), (679, 427064), (776, 373681), (844, 343574), (1012, 286538), (1067, 271768), (1288, 225137), (1358, 213532), (1477, 196328), (1688, 171787), (1771, 163736), (2024, 143269), (2134, 135884), (2231, 129976), (2321, 124936), (2716, 106766), (2954, 98164), (3542, 81868), (4268, 67942), (4462, 64988), (4642, 62468), (4853, 59752), (5432, 53383), (5908, 49082), (7084, 40934), (7469, 38824), (8536, 33971), (8924, 32494), (9284, 31234), (9706, 29876), (11816, 24541), (14168, 20467), (14938, 19412), (15617, 18568), (16247, 17848)]