2806834550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{139297}}^1$

素因数の和:139353

約数の個数: 48

約数和(自身を含む): 5803711872

約数和(自身を除く): 2996877322

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 155, 310, 325, 403, 650, 775, 806, 1550, 2015, 4030, 10075, 20150, 139297, 278594, 696485, 1392970, 1810861, 3482425, 3621722, 4318207, 6964850, 8636414, 9054305, 18108610, 21591035, 43182070, 45271525, 56136691, 90543050, 107955175, 112273382, 215910350, 280683455, 561366910, 1403417275, 2806834550]

約数ペア:

[(1, 2806834550), (2, 1403417275), (5, 561366910), (10, 280683455), (13, 215910350), (25, 112273382), (26, 107955175), (31, 90543050), (50, 56136691), (62, 45271525), (65, 43182070), (130, 21591035), (155, 18108610), (310, 9054305), (325, 8636414), (403, 6964850), (650, 4318207), (775, 3621722), (806, 3482425), (1550, 1810861), (2015, 1392970), (4030, 696485), (10075, 278594), (20150, 139297)]