320001110

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{2053}}^1$

素因数の和:2193

約数の個数: 64

約数和(自身を含む): 683242560

約数和(自身を除く): 363241450

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 109, 110, 130, 143, 218, 286, 545, 715, 1090, 1199, 1417, 1430, 2053, 2398, 2834, 4106, 5995, 7085, 10265, 11990, 14170, 15587, 20530, 22583, 26689, 31174, 45166, 53378, 77935, 112915, 133445, 155870, 223777, 225830, 266890, 293579, 447554, 587158, 1118885, 1467895, 2237770, 2461547, 2909101, 2935790, 4923094, 5818202, 12307735, 14545505, 24615470, 29091010, 32000111, 64000222, 160000555, 320001110]

約数ペア:

[(1, 320001110), (2, 160000555), (5, 64000222), (10, 32000111), (11, 29091010), (13, 24615470), (22, 14545505), (26, 12307735), (55, 5818202), (65, 4923094), (109, 2935790), (110, 2909101), (130, 2461547), (143, 2237770), (218, 1467895), (286, 1118885), (545, 587158), (715, 447554), (1090, 293579), (1199, 266890), (1417, 225830), (1430, 223777), (2053, 155870), (2398, 133445), (2834, 112915), (4106, 77935), (5995, 53378), (7085, 45166), (10265, 31174), (11990, 26689), (14170, 22583), (15587, 20530)]