2017201960

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1\times {\mathrm{3643}}^1$

素因数の和:3890

約数の個数: 64

約数和(自身を含む): 4617676800

約数和(自身を除く): 2600474840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 127, 218, 254, 436, 508, 545, 635, 872, 1016, 1090, 1270, 2180, 2540, 3643, 4360, 5080, 7286, 13843, 14572, 18215, 27686, 29144, 36430, 55372, 69215, 72860, 110744, 138430, 145720, 276860, 397087, 462661, 553720, 794174, 925322, 1588348, 1850644, 1985435, 2313305, 3176696, 3701288, 3970870, 4626610, 7941740, 9253220, 15883480, 18506440, 50430049, 100860098, 201720196, 252150245, 403440392, 504300490, 1008600980, 2017201960]

約数ペア:

[(1, 2017201960), (2, 1008600980), (4, 504300490), (5, 403440392), (8, 252150245), (10, 201720196), (20, 100860098), (40, 50430049), (109, 18506440), (127, 15883480), (218, 9253220), (254, 7941740), (436, 4626610), (508, 3970870), (545, 3701288), (635, 3176696), (872, 2313305), (1016, 1985435), (1090, 1850644), (1270, 1588348), (2180, 925322), (2540, 794174), (3643, 553720), (4360, 462661), (5080, 397087), (7286, 276860), (13843, 145720), (14572, 138430), (18215, 110744), (27686, 72860), (29144, 69215), (36430, 55372)]