257466220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{106391}}^1$

素因数の和:106422

約数の個数: 36

約数和(自身を含む): 594305712

約数和(自身を除く): 336839492

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 106391, 212782, 425564, 531955, 1063910, 1170301, 2127820, 2340602, 4681204, 5851505, 11703010, 12873311, 23406020, 25746622, 51493244, 64366555, 128733110, 257466220]

約数ペア:

[(1, 257466220), (2, 128733110), (4, 64366555), (5, 51493244), (10, 25746622), (11, 23406020), (20, 12873311), (22, 11703010), (44, 5851505), (55, 4681204), (110, 2340602), (121, 2127820), (220, 1170301), (242, 1063910), (484, 531955), (605, 425564), (1210, 212782), (2420, 106391)]