557178820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{443}}^1\times {\mathrm{5717}}^1$

素因数の和:6180

約数の個数: 48

約数和(自身を含む): 1279551168

約数和(自身を除く): 722372348

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 443, 886, 1772, 2215, 4430, 4873, 5717, 8860, 9746, 11434, 19492, 22868, 24365, 28585, 48730, 57170, 62887, 97460, 114340, 125774, 251548, 314435, 628870, 1257740, 2532631, 5065262, 10130524, 12663155, 25326310, 27858941, 50652620, 55717882, 111435764, 139294705, 278589410, 557178820]

約数ペア:

[(1, 557178820), (2, 278589410), (4, 139294705), (5, 111435764), (10, 55717882), (11, 50652620), (20, 27858941), (22, 25326310), (44, 12663155), (55, 10130524), (110, 5065262), (220, 2532631), (443, 1257740), (886, 628870), (1772, 314435), (2215, 251548), (4430, 125774), (4873, 114340), (5717, 97460), (8860, 62887), (9746, 57170), (11434, 48730), (19492, 28585), (22868, 24365)]