209210860

素因数分解:

$2^2\times 5^1\times {\mathrm{1171}}^1\times {\mathrm{8933}}^1$

素因数の和:10113

約数の個数: 24

約数和(自身を含む): 439767216

約数和(自身を除く): 230556356

約数列:

[1, 2, 4, 5, 10, 20, 1171, 2342, 4684, 5855, 8933, 11710, 17866, 23420, 35732, 44665, 89330, 178660, 10460543, 20921086, 41842172, 52302715, 104605430, 209210860]

約数ペア:

[(1, 209210860), (2, 104605430), (4, 52302715), (5, 41842172), (10, 20921086), (20, 10460543), (1171, 178660), (2342, 89330), (4684, 44665), (5855, 35732), (8933, 23420), (11710, 17866)]