386896895

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:493

約数の個数: 72

約数和(自身を含む): 614242944

約数和(自身を除く): 227346049

約数列:

[1, 5, 7, 11, 31, 35, 49, 55, 77, 121, 155, 217, 245, 341, 385, 421, 539, 605, 847, 1085, 1519, 1705, 2105, 2387, 2695, 2947, 3751, 4235, 4631, 5929, 7595, 11935, 13051, 14735, 16709, 18755, 20629, 23155, 26257, 29645, 32417, 50941, 65255, 83545, 91357, 103145, 131285, 143561, 162085, 183799, 226919, 254705, 356587, 456785, 639499, 717805, 918995, 1004927, 1134595, 1579171, 1782935, 2496109, 3197495, 5024635, 7034489, 7895855, 11054197, 12480545, 35172445, 55270985, 77379379, 386896895]

約数ペア:

[(1, 386896895), (5, 77379379), (7, 55270985), (11, 35172445), (31, 12480545), (35, 11054197), (49, 7895855), (55, 7034489), (77, 5024635), (121, 3197495), (155, 2496109), (217, 1782935), (245, 1579171), (341, 1134595), (385, 1004927), (421, 918995), (539, 717805), (605, 639499), (847, 456785), (1085, 356587), (1519, 254705), (1705, 226919), (2105, 183799), (2387, 162085), (2695, 143561), (2947, 131285), (3751, 103145), (4235, 91357), (4631, 83545), (5929, 65255), (7595, 50941), (11935, 32417), (13051, 29645), (14735, 26257), (16709, 23155), (18755, 20629)]