208069475

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1$

素因数の和:300

約数の個数: 48

約数和(自身を含む): 284148480

約数和(自身を除く): 76079005

約数列:

[1, 5, 19, 25, 43, 61, 95, 167, 215, 305, 475, 817, 835, 1075, 1159, 1525, 2623, 3173, 4085, 4175, 5795, 7181, 10187, 13115, 15865, 20425, 28975, 35905, 49837, 50935, 65575, 79325, 136439, 179525, 193553, 249185, 254675, 438041, 682195, 967765, 1245925, 2190205, 3410975, 4838825, 8322779, 10951025, 41613895, 208069475]

約数ペア:

[(1, 208069475), (5, 41613895), (19, 10951025), (25, 8322779), (43, 4838825), (61, 3410975), (95, 2190205), (167, 1245925), (215, 967765), (305, 682195), (475, 438041), (817, 254675), (835, 249185), (1075, 193553), (1159, 179525), (1525, 136439), (2623, 79325), (3173, 65575), (4085, 50935), (4175, 49837), (5795, 35905), (7181, 28975), (10187, 20425), (13115, 15865)]