312231808

素因数分解:

$2^7\times 7^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:292

約数の個数: 128

約数和(自身を含む): 753984000

約数和(自身を除く): 441752192

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 64, 92, 109, 112, 128, 139, 161, 184, 218, 224, 278, 322, 368, 436, 448, 556, 644, 736, 763, 872, 896, 973, 1112, 1288, 1472, 1526, 1744, 1946, 2224, 2507, 2576, 2944, 3052, 3197, 3488, 3892, 4448, 5014, 5152, 6104, 6394, 6976, 7784, 8896, 10028, 10304, 12208, 12788, 13952, 15151, 15568, 17549, 17792, 20056, 20608, 22379, 24416, 25576, 30302, 31136, 35098, 40112, 44758, 48832, 51152, 60604, 62272, 70196, 80224, 89516, 97664, 102304, 106057, 121208, 124544, 140392, 160448, 179032, 204608, 212114, 242416, 280784, 320896, 348473, 358064, 409216, 424228, 484832, 561568, 696946, 716128, 848456, 969664, 1123136, 1393892, 1432256, 1696912, 1939328, 2246272, 2439311, 2787784, 2864512, 3393824, 4878622, 5575568, 6787648, 9757244, 11151136, 13575296, 19514488, 22302272, 39028976, 44604544, 78057952, 156115904, 312231808]

約数ペア:

[(1, 312231808), (2, 156115904), (4, 78057952), (7, 44604544), (8, 39028976), (14, 22302272), (16, 19514488), (23, 13575296), (28, 11151136), (32, 9757244), (46, 6787648), (56, 5575568), (64, 4878622), (92, 3393824), (109, 2864512), (112, 2787784), (128, 2439311), (139, 2246272), (161, 1939328), (184, 1696912), (218, 1432256), (224, 1393892), (278, 1123136), (322, 969664), (368, 848456), (436, 716128), (448, 696946), (556, 561568), (644, 484832), (736, 424228), (763, 409216), (872, 358064), (896, 348473), (973, 320896), (1112, 280784), (1288, 242416), (1472, 212114), (1526, 204608), (1744, 179032), (1946, 160448), (2224, 140392), (2507, 124544), (2576, 121208), (2944, 106057), (3052, 102304), (3197, 97664), (3488, 89516), (3892, 80224), (4448, 70196), (5014, 62272), (5152, 60604), (6104, 51152), (6394, 48832), (6976, 44758), (7784, 40112), (8896, 35098), (10028, 31136), (10304, 30302), (12208, 25576), (12788, 24416), (13952, 22379), (15151, 20608), (15568, 20056), (17549, 17792)]