201718345

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:202

約数の個数: 64

約数和(自身を含む): 287712000

約数和(自身を除く): 85993655

約数列:

[1, 5, 17, 19, 29, 59, 73, 85, 95, 145, 295, 323, 365, 493, 551, 1003, 1121, 1241, 1387, 1615, 1711, 2117, 2465, 2755, 4307, 5015, 5605, 6205, 6935, 8555, 9367, 10585, 19057, 21535, 23579, 29087, 32509, 35989, 40223, 46835, 73219, 81833, 95285, 117895, 124903, 145435, 162545, 179945, 201115, 366095, 409165, 552653, 624515, 683791, 1391161, 2123351, 2373157, 2763265, 3418955, 6955805, 10616755, 11865785, 40343669, 201718345]

約数ペア:

[(1, 201718345), (5, 40343669), (17, 11865785), (19, 10616755), (29, 6955805), (59, 3418955), (73, 2763265), (85, 2373157), (95, 2123351), (145, 1391161), (295, 683791), (323, 624515), (365, 552653), (493, 409165), (551, 366095), (1003, 201115), (1121, 179945), (1241, 162545), (1387, 145435), (1615, 124903), (1711, 117895), (2117, 95285), (2465, 81833), (2755, 73219), (4307, 46835), (5015, 40223), (5605, 35989), (6205, 32509), (6935, 29087), (8555, 23579), (9367, 21535), (10585, 19057)]