397052425

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{1103}}^1$

素因数の和:1159

約数の個数: 72

約数和(自身を含む): 655458048

約数和(自身を除く): 258405623

約数列:

[1, 5, 7, 11, 17, 25, 35, 55, 77, 85, 119, 121, 175, 187, 275, 385, 425, 595, 605, 847, 935, 1103, 1309, 1925, 2057, 2975, 3025, 4235, 4675, 5515, 6545, 7721, 10285, 12133, 14399, 18751, 21175, 27575, 32725, 38605, 51425, 60665, 71995, 84931, 93755, 131257, 133463, 193025, 206261, 303325, 359975, 424655, 468775, 656285, 667315, 934241, 1031305, 1443827, 2123275, 2268871, 3281425, 3336575, 4671205, 5156525, 7219135, 11344355, 15882097, 23356025, 36095675, 56721775, 79410485, 397052425]

約数ペア:

[(1, 397052425), (5, 79410485), (7, 56721775), (11, 36095675), (17, 23356025), (25, 15882097), (35, 11344355), (55, 7219135), (77, 5156525), (85, 4671205), (119, 3336575), (121, 3281425), (175, 2268871), (187, 2123275), (275, 1443827), (385, 1031305), (425, 934241), (595, 667315), (605, 656285), (847, 468775), (935, 424655), (1103, 359975), (1309, 303325), (1925, 206261), (2057, 193025), (2975, 133463), (3025, 131257), (4235, 93755), (4675, 84931), (5515, 71995), (6545, 60665), (7721, 51425), (10285, 38605), (12133, 32725), (14399, 27575), (18751, 21175)]