319888561825

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{283}}^1\times {\mathrm{3917}}^1$

素因数の和:4331

約数の個数: 96

約数和(自身を含む): 486780344064

約数和(自身を除く): 166891782239

約数列:

[1, 5, 7, 17, 25, 35, 85, 97, 119, 175, 283, 425, 485, 595, 679, 1415, 1649, 1981, 2425, 2975, 3395, 3917, 4811, 7075, 8245, 9905, 11543, 16975, 19585, 24055, 27419, 27451, 33677, 41225, 49525, 57715, 66589, 97925, 120275, 137095, 137255, 168385, 192157, 288575, 332945, 379949, 466123, 466667, 685475, 686275, 841925, 960785, 1108511, 1664725, 1899745, 2330615, 2333335, 2659643, 3266669, 4803925, 5542555, 6459133, 7759577, 9498725, 11653075, 11666675, 13298215, 16333345, 18844687, 27712775, 32295665, 38797885, 45213931, 66491075, 81666725, 94223435, 107525567, 131912809, 161478325, 193989425, 226069655, 471117175, 537627835, 659564045, 752678969, 1130348275, 1827934639, 2688139175, 3297820225, 3763394845, 9139673195, 12795542473, 18816974225, 45698365975, 63977712365, 319888561825]

約数ペア:

[(1, 319888561825), (5, 63977712365), (7, 45698365975), (17, 18816974225), (25, 12795542473), (35, 9139673195), (85, 3763394845), (97, 3297820225), (119, 2688139175), (175, 1827934639), (283, 1130348275), (425, 752678969), (485, 659564045), (595, 537627835), (679, 471117175), (1415, 226069655), (1649, 193989425), (1981, 161478325), (2425, 131912809), (2975, 107525567), (3395, 94223435), (3917, 81666725), (4811, 66491075), (7075, 45213931), (8245, 38797885), (9905, 32295665), (11543, 27712775), (16975, 18844687), (19585, 16333345), (24055, 13298215), (27419, 11666675), (27451, 11653075), (33677, 9498725), (41225, 7759577), (49525, 6459133), (57715, 5542555), (66589, 4803925), (97925, 3266669), (120275, 2659643), (137095, 2333335), (137255, 2330615), (168385, 1899745), (192157, 1664725), (288575, 1108511), (332945, 960785), (379949, 841925), (466123, 686275), (466667, 685475)]