209715506

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:240

約数の個数: 96

約数和(自身を含む): 434367360

約数和(自身を除く): 224651854

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 89, 91, 107, 121, 143, 154, 178, 182, 214, 242, 286, 623, 749, 847, 979, 1001, 1157, 1177, 1246, 1391, 1498, 1573, 1694, 1958, 2002, 2314, 2354, 2782, 3146, 6853, 8099, 8239, 9523, 9737, 10769, 11011, 12727, 12947, 13706, 15301, 16198, 16478, 19046, 19474, 21538, 22022, 25454, 25894, 30602, 66661, 75383, 89089, 90629, 104753, 107107, 123799, 133322, 139997, 150766, 168311, 178178, 181258, 209506, 214214, 247598, 279994, 336622, 733271, 866593, 979979, 1152283, 1178177, 1361789, 1466542, 1733186, 1959958, 2304566, 2356354, 2723578, 8065981, 9532523, 14979679, 16131962, 19065046, 29959358, 104857753, 209715506]

約数ペア:

[(1, 209715506), (2, 104857753), (7, 29959358), (11, 19065046), (13, 16131962), (14, 14979679), (22, 9532523), (26, 8065981), (77, 2723578), (89, 2356354), (91, 2304566), (107, 1959958), (121, 1733186), (143, 1466542), (154, 1361789), (178, 1178177), (182, 1152283), (214, 979979), (242, 866593), (286, 733271), (623, 336622), (749, 279994), (847, 247598), (979, 214214), (1001, 209506), (1157, 181258), (1177, 178178), (1246, 168311), (1391, 150766), (1498, 139997), (1573, 133322), (1694, 123799), (1958, 107107), (2002, 104753), (2314, 90629), (2354, 89089), (2782, 75383), (3146, 66661), (6853, 30602), (8099, 25894), (8239, 25454), (9523, 22022), (9737, 21538), (10769, 19474), (11011, 19046), (12727, 16478), (12947, 16198), (13706, 15301)]