268523920

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{68501}}^1$

素因数の和:68528

約数の個数: 60

約数和(自身を含む): 726258204

約数和(自身を除く): 457734284

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 68501, 137002, 274004, 342505, 479507, 548008, 685010, 959014, 1096016, 1370020, 1918028, 2397535, 2740040, 3356549, 3836056, 4795070, 5480080, 6713098, 7672112, 9590140, 13426196, 16782745, 19180280, 26852392, 33565490, 38360560, 53704784, 67130980, 134261960, 268523920]

約数ペア:

[(1, 268523920), (2, 134261960), (4, 67130980), (5, 53704784), (7, 38360560), (8, 33565490), (10, 26852392), (14, 19180280), (16, 16782745), (20, 13426196), (28, 9590140), (35, 7672112), (40, 6713098), (49, 5480080), (56, 4795070), (70, 3836056), (80, 3356549), (98, 2740040), (112, 2397535), (140, 1918028), (196, 1370020), (245, 1096016), (280, 959014), (392, 685010), (490, 548008), (560, 479507), (784, 342505), (980, 274004), (1960, 137002), (3920, 68501)]