671567380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{21961}}^1$

素因数の和:22120

約数の個数: 48

約数和(自身を含む): 1549638720

約数和(自身を除く): 878071340

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 139, 220, 278, 556, 695, 1390, 1529, 2780, 3058, 6116, 7645, 15290, 21961, 30580, 43922, 87844, 109805, 219610, 241571, 439220, 483142, 966284, 1207855, 2415710, 3052579, 4831420, 6105158, 12210316, 15262895, 30525790, 33578369, 61051580, 67156738, 134313476, 167891845, 335783690, 671567380]

約数ペア:

[(1, 671567380), (2, 335783690), (4, 167891845), (5, 134313476), (10, 67156738), (11, 61051580), (20, 33578369), (22, 30525790), (44, 15262895), (55, 12210316), (110, 6105158), (139, 4831420), (220, 3052579), (278, 2415710), (556, 1207855), (695, 966284), (1390, 483142), (1529, 439220), (2780, 241571), (3058, 219610), (6116, 109805), (7645, 87844), (15290, 43922), (21961, 30580)]