2017306780

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{506861}}^1$

素因数の和:507069

約数の個数: 24

約数和(自身を含む): 4257640800

約数和(自身を除く): 2240334020

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 506861, 1013722, 2027444, 2534305, 5068610, 10137220, 100865339, 201730678, 403461356, 504326695, 1008653390, 2017306780]

約数ペア:

[(1, 2017306780), (2, 1008653390), (4, 504326695), (5, 403461356), (10, 201730678), (20, 100865339), (199, 10137220), (398, 5068610), (796, 2534305), (995, 2027444), (1990, 1013722), (3980, 506861)]