255461140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{11971}}^1$

素因数の和:12088

約数の個数: 48

約数和(自身を含む): 591321024

約数和(自身を除く): 335859884

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 97, 110, 194, 220, 388, 485, 970, 1067, 1940, 2134, 4268, 5335, 10670, 11971, 21340, 23942, 47884, 59855, 119710, 131681, 239420, 263362, 526724, 658405, 1161187, 1316810, 2322374, 2633620, 4644748, 5805935, 11611870, 12773057, 23223740, 25546114, 51092228, 63865285, 127730570, 255461140]

約数ペア:

[(1, 255461140), (2, 127730570), (4, 63865285), (5, 51092228), (10, 25546114), (11, 23223740), (20, 12773057), (22, 11611870), (44, 5805935), (55, 4644748), (97, 2633620), (110, 2322374), (194, 1316810), (220, 1161187), (388, 658405), (485, 526724), (970, 263362), (1067, 239420), (1940, 131681), (2134, 119710), (4268, 59855), (5335, 47884), (10670, 23942), (11971, 21340)]