394305604

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{181}}^1\times {\mathrm{643}}^1$

素因数の和:857

約数の個数: 72

約数和(自身を含む): 872965184

約数和(自身を除く): 478659580

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 154, 181, 242, 308, 362, 484, 643, 724, 847, 1267, 1286, 1694, 1991, 2534, 2572, 3388, 3982, 4501, 5068, 7073, 7964, 9002, 13937, 14146, 18004, 21901, 27874, 28292, 43802, 49511, 55748, 77803, 87604, 99022, 116383, 153307, 155606, 198044, 232766, 306614, 311212, 465532, 544621, 613228, 814681, 1089242, 1280213, 1629362, 2178484, 2560426, 3258724, 5120852, 8961491, 14082343, 17922982, 28164686, 35845964, 56329372, 98576401, 197152802, 394305604]

約数ペア:

[(1, 394305604), (2, 197152802), (4, 98576401), (7, 56329372), (11, 35845964), (14, 28164686), (22, 17922982), (28, 14082343), (44, 8961491), (77, 5120852), (121, 3258724), (154, 2560426), (181, 2178484), (242, 1629362), (308, 1280213), (362, 1089242), (484, 814681), (643, 613228), (724, 544621), (847, 465532), (1267, 311212), (1286, 306614), (1694, 232766), (1991, 198044), (2534, 155606), (2572, 153307), (3388, 116383), (3982, 99022), (4501, 87604), (5068, 77803), (7073, 55748), (7964, 49511), (9002, 43802), (13937, 28292), (14146, 27874), (18004, 21901)]