57910180

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{563}}^1$

素因数の和:748

約数の個数: 48

約数和(自身を含む): 126020160

約数和(自身を除く): 68109980

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 139, 148, 185, 278, 370, 556, 563, 695, 740, 1126, 1390, 2252, 2780, 2815, 5143, 5630, 10286, 11260, 20572, 20831, 25715, 41662, 51430, 78257, 83324, 102860, 104155, 156514, 208310, 313028, 391285, 416620, 782570, 1565140, 2895509, 5791018, 11582036, 14477545, 28955090, 57910180]

約数ペア:

[(1, 57910180), (2, 28955090), (4, 14477545), (5, 11582036), (10, 5791018), (20, 2895509), (37, 1565140), (74, 782570), (139, 416620), (148, 391285), (185, 313028), (278, 208310), (370, 156514), (556, 104155), (563, 102860), (695, 83324), (740, 78257), (1126, 51430), (1390, 41662), (2252, 25715), (2780, 20831), (2815, 20572), (5143, 11260), (5630, 10286)]