27778810840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{454199}}^1$

素因数の和:454360

約数の個数: 64

約数和(自身を含む): 68675040000

約数和(自身を除く): 40896229160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 139, 220, 278, 440, 556, 695, 1112, 1390, 1529, 2780, 3058, 5560, 6116, 7645, 12232, 15290, 30580, 61160, 454199, 908398, 1816796, 2270995, 3633592, 4541990, 4996189, 9083980, 9992378, 18167960, 19984756, 24980945, 39969512, 49961890, 63133661, 99923780, 126267322, 199847560, 252534644, 315668305, 505069288, 631336610, 694470271, 1262673220, 1388940542, 2525346440, 2777881084, 3472351355, 5555762168, 6944702710, 13889405420, 27778810840]

約数ペア:

[(1, 27778810840), (2, 13889405420), (4, 6944702710), (5, 5555762168), (8, 3472351355), (10, 2777881084), (11, 2525346440), (20, 1388940542), (22, 1262673220), (40, 694470271), (44, 631336610), (55, 505069288), (88, 315668305), (110, 252534644), (139, 199847560), (220, 126267322), (278, 99923780), (440, 63133661), (556, 49961890), (695, 39969512), (1112, 24980945), (1390, 19984756), (1529, 18167960), (2780, 9992378), (3058, 9083980), (5560, 4996189), (6116, 4541990), (7645, 3633592), (12232, 2270995), (15290, 1816796), (30580, 908398), (61160, 454199)]