7119291220

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{870329}}^1$

素因数の和:870747

約数の個数: 24

約数和(自身を含む): 14987082600

約数和(自身を除く): 7867791380

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1636, 2045, 4090, 8180, 870329, 1740658, 3481316, 4351645, 8703290, 17406580, 355964561, 711929122, 1423858244, 1779822805, 3559645610, 7119291220]

約数ペア:

[(1, 7119291220), (2, 3559645610), (4, 1779822805), (5, 1423858244), (10, 711929122), (20, 355964561), (409, 17406580), (818, 8703290), (1636, 4351645), (2045, 3481316), (4090, 1740658), (8180, 870329)]