320717919745

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{373}}^1\times {\mathrm{2087}}^1$

素因数の和:2650

約数の個数: 64

約数和(自身を含む): 423041895936

約数和(自身を除く): 102323976191

約数列:

[1, 5, 17, 37, 85, 131, 185, 373, 629, 655, 1865, 2087, 2227, 3145, 4847, 6341, 10435, 11135, 13801, 24235, 31705, 35479, 48863, 69005, 77219, 82399, 177395, 234617, 244315, 273397, 386095, 411995, 778451, 830671, 1173085, 1312723, 1366985, 1807931, 3892255, 4153355, 4647749, 6563615, 9039655, 10115689, 13233667, 23238745, 28802687, 30734827, 50578445, 66168335, 101977081, 144013435, 153674135, 171966713, 489645679, 509885405, 859833565, 1733610377, 2448228395, 3773151997, 8668051885, 18865759985, 64143583949, 320717919745]

約数ペア:

[(1, 320717919745), (5, 64143583949), (17, 18865759985), (37, 8668051885), (85, 3773151997), (131, 2448228395), (185, 1733610377), (373, 859833565), (629, 509885405), (655, 489645679), (1865, 171966713), (2087, 153674135), (2227, 144013435), (3145, 101977081), (4847, 66168335), (6341, 50578445), (10435, 30734827), (11135, 28802687), (13801, 23238745), (24235, 13233667), (31705, 10115689), (35479, 9039655), (48863, 6563615), (69005, 4647749), (77219, 4153355), (82399, 3892255), (177395, 1807931), (234617, 1366985), (244315, 1312723), (273397, 1173085), (386095, 830671), (411995, 778451)]