201940195

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 274089600

約数和(自身を除く): 72149405

約数列:

[1, 5, 17, 29, 61, 79, 85, 145, 289, 305, 395, 493, 1037, 1343, 1445, 1769, 2291, 2465, 4819, 5185, 6715, 8381, 8845, 11455, 17629, 22831, 24095, 30073, 38947, 41905, 81923, 88145, 114155, 139751, 150365, 194735, 409615, 511241, 662099, 698755, 1392691, 2375767, 2556205, 3310495, 6963455, 11878835, 40388039, 201940195]

約数ペア:

[(1, 201940195), (5, 40388039), (17, 11878835), (29, 6963455), (61, 3310495), (79, 2556205), (85, 2375767), (145, 1392691), (289, 698755), (305, 662099), (395, 511241), (493, 409615), (1037, 194735), (1343, 150365), (1445, 139751), (1769, 114155), (2291, 88145), (2465, 81923), (4819, 41905), (5185, 38947), (6715, 30073), (8381, 24095), (8845, 22831), (11455, 17629)]