846380

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{419}}^1$

素因数の和:529

約数の個数: 24

約数和(自身を含む): 1799280

約数和(自身を除く): 952900

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 419, 505, 838, 1010, 1676, 2020, 2095, 4190, 8380, 42319, 84638, 169276, 211595, 423190, 846380]

約数ペア:

[(1, 846380), (2, 423190), (4, 211595), (5, 169276), (10, 84638), (20, 42319), (101, 8380), (202, 4190), (404, 2095), (419, 2020), (505, 1676), (838, 1010)]