217171570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{3169}}^1$

素因数の和:3283

約数の個数: 64

約数和(自身を含む): 492998400

約数和(自身を除く): 275826830

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 89, 110, 154, 178, 385, 445, 623, 770, 890, 979, 1246, 1958, 3115, 3169, 4895, 6230, 6338, 6853, 9790, 13706, 15845, 22183, 31690, 34265, 34859, 44366, 68530, 69718, 110915, 174295, 221830, 244013, 282041, 348590, 488026, 564082, 1220065, 1410205, 1974287, 2440130, 2820410, 3102451, 3948574, 6204902, 9871435, 15512255, 19742870, 21717157, 31024510, 43434314, 108585785, 217171570]

約数ペア:

[(1, 217171570), (2, 108585785), (5, 43434314), (7, 31024510), (10, 21717157), (11, 19742870), (14, 15512255), (22, 9871435), (35, 6204902), (55, 3948574), (70, 3102451), (77, 2820410), (89, 2440130), (110, 1974287), (154, 1410205), (178, 1220065), (385, 564082), (445, 488026), (623, 348590), (770, 282041), (890, 244013), (979, 221830), (1246, 174295), (1958, 110915), (3115, 69718), (3169, 68530), (4895, 44366), (6230, 34859), (6338, 34265), (6853, 31690), (9790, 22183), (13706, 15845)]