2494415

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:84

約数の個数: 48

約数和(自身を含む): 4085760

約数和(自身を除く): 1591345

約数列:

[1, 5, 7, 11, 19, 31, 35, 55, 77, 95, 121, 133, 155, 209, 217, 341, 385, 589, 605, 665, 847, 1045, 1085, 1463, 1705, 2299, 2387, 2945, 3751, 4123, 4235, 6479, 7315, 11495, 11935, 16093, 18755, 20615, 26257, 32395, 45353, 71269, 80465, 131285, 226765, 356345, 498883, 2494415]

約数ペア:

[(1, 2494415), (5, 498883), (7, 356345), (11, 226765), (19, 131285), (31, 80465), (35, 71269), (55, 45353), (77, 32395), (95, 26257), (121, 20615), (133, 18755), (155, 16093), (209, 11935), (217, 11495), (341, 7315), (385, 6479), (589, 4235), (605, 4123), (665, 3751), (847, 2945), (1045, 2387), (1085, 2299), (1463, 1705)]