2086810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1$

素因数の和:390

約数の個数: 32

約数和(自身を含む): 4178304

約数和(自身を除く): 2091494

約数列:

[1, 2, 5, 10, 11, 22, 55, 61, 110, 122, 305, 311, 610, 622, 671, 1342, 1555, 3110, 3355, 3421, 6710, 6842, 17105, 18971, 34210, 37942, 94855, 189710, 208681, 417362, 1043405, 2086810]

約数ペア:

[(1, 2086810), (2, 1043405), (5, 417362), (10, 208681), (11, 189710), (22, 94855), (55, 37942), (61, 34210), (110, 18971), (122, 17105), (305, 6842), (311, 6710), (610, 3421), (622, 3355), (671, 3110), (1342, 1555)]