1617340

素因数分解:

$2^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{419}}^1$

素因数の和:621

約数の個数: 24

約数和(自身を含む): 3422160

約数和(自身を除く): 1804820

約数列:

[1, 2, 4, 5, 10, 20, 193, 386, 419, 772, 838, 965, 1676, 1930, 2095, 3860, 4190, 8380, 80867, 161734, 323468, 404335, 808670, 1617340]

約数ペア:

[(1, 1617340), (2, 808670), (4, 404335), (5, 323468), (10, 161734), (20, 80867), (193, 8380), (386, 4190), (419, 3860), (772, 2095), (838, 1930), (965, 1676)]