861774925

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:235

約数の個数: 96

約数和(自身を含む): 1311344640

約数和(自身を除く): 449569715

約数列:

[1, 5, 11, 19, 23, 25, 55, 71, 95, 101, 115, 209, 253, 275, 355, 437, 475, 505, 575, 781, 1045, 1111, 1265, 1349, 1633, 1775, 1919, 2185, 2323, 2525, 3905, 4807, 5225, 5555, 6325, 6745, 7171, 8165, 9595, 10925, 11615, 14839, 17963, 19525, 21109, 24035, 25553, 27775, 31027, 33725, 35855, 40825, 44137, 47975, 58075, 74195, 78881, 89815, 105545, 120175, 127765, 136249, 155135, 164933, 179275, 220685, 341297, 370975, 394405, 449075, 485507, 527725, 638825, 681245, 775675, 824665, 1103425, 1498739, 1706485, 1814263, 1972025, 2427535, 3133727, 3406225, 4123325, 7493695, 8532425, 9071315, 12137675, 15668635, 34470997, 37468475, 45356575, 78343175, 172354985, 861774925]

約数ペア:

[(1, 861774925), (5, 172354985), (11, 78343175), (19, 45356575), (23, 37468475), (25, 34470997), (55, 15668635), (71, 12137675), (95, 9071315), (101, 8532425), (115, 7493695), (209, 4123325), (253, 3406225), (275, 3133727), (355, 2427535), (437, 1972025), (475, 1814263), (505, 1706485), (575, 1498739), (781, 1103425), (1045, 824665), (1111, 775675), (1265, 681245), (1349, 638825), (1633, 527725), (1775, 485507), (1919, 449075), (2185, 394405), (2323, 370975), (2525, 341297), (3905, 220685), (4807, 179275), (5225, 164933), (5555, 155135), (6325, 136249), (6745, 127765), (7171, 120175), (8165, 105545), (9595, 89815), (10925, 78881), (11615, 74195), (14839, 58075), (17963, 47975), (19525, 44137), (21109, 40825), (24035, 35855), (25553, 33725), (27775, 31027)]