2028139390

素因数分解:

$2^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1120519}}^1$

素因数の和:1120707

約数の個数: 16

約数和(自身を含む): 3670823520

約数和(自身を除く): 1642684130

約数列:

[1, 2, 5, 10, 181, 362, 905, 1810, 1120519, 2241038, 5602595, 11205190, 202813939, 405627878, 1014069695, 2028139390]

約数ペア:

[(1, 2028139390), (2, 1014069695), (5, 405627878), (10, 202813939), (181, 11205190), (362, 5602595), (905, 2241038), (1810, 1120519)]