404392010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{1069}}^1$

素因数の和:1287

約数の個数: 64

約数和(自身を含む): 841276800

約数和(自身を除く): 436884790

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 181, 190, 209, 362, 418, 905, 1045, 1069, 1810, 1991, 2090, 2138, 3439, 3982, 5345, 6878, 9955, 10690, 11759, 17195, 19910, 20311, 23518, 34390, 37829, 40622, 58795, 75658, 101555, 117590, 189145, 193489, 203110, 223421, 378290, 386978, 446842, 967445, 1117105, 1934890, 2128379, 2234210, 3676291, 4256758, 7352582, 10641895, 18381455, 21283790, 36762910, 40439201, 80878402, 202196005, 404392010]

約数ペア:

[(1, 404392010), (2, 202196005), (5, 80878402), (10, 40439201), (11, 36762910), (19, 21283790), (22, 18381455), (38, 10641895), (55, 7352582), (95, 4256758), (110, 3676291), (181, 2234210), (190, 2128379), (209, 1934890), (362, 1117105), (418, 967445), (905, 446842), (1045, 386978), (1069, 378290), (1810, 223421), (1991, 203110), (2090, 193489), (2138, 189145), (3439, 117590), (3982, 101555), (5345, 75658), (6878, 58795), (9955, 40622), (10690, 37829), (11759, 34390), (17195, 23518), (19910, 20311)]