204210545

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{761}}^1$

素因数の和:842

約数の個数: 64

約数和(自身を含む): 331817472

約数和(自身を除く): 127606927

約数列:

[1, 5, 7, 11, 17, 35, 41, 55, 77, 85, 119, 187, 205, 287, 385, 451, 595, 697, 761, 935, 1309, 1435, 2255, 3157, 3485, 3805, 4879, 5327, 6545, 7667, 8371, 12937, 15785, 24395, 26635, 31201, 38335, 41855, 53669, 58597, 64685, 90559, 142307, 156005, 218407, 268345, 292985, 343211, 452795, 530417, 711535, 996149, 1092035, 1716055, 2402477, 2652085, 3712919, 4980745, 5834587, 12012385, 18564595, 29172935, 40842109, 204210545]

約数ペア:

[(1, 204210545), (5, 40842109), (7, 29172935), (11, 18564595), (17, 12012385), (35, 5834587), (41, 4980745), (55, 3712919), (77, 2652085), (85, 2402477), (119, 1716055), (187, 1092035), (205, 996149), (287, 711535), (385, 530417), (451, 452795), (595, 343211), (697, 292985), (761, 268345), (935, 218407), (1309, 156005), (1435, 142307), (2255, 90559), (3157, 64685), (3485, 58597), (3805, 53669), (4879, 41855), (5327, 38335), (6545, 31201), (7667, 26635), (8371, 24395), (12937, 15785)]