168340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1$

素因数の和:471

約数の個数: 24

約数和(自身を含む): 372960

約数和(自身を除く): 204620

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 443, 886, 1772, 2215, 4430, 8417, 8860, 16834, 33668, 42085, 84170, 168340]

約数ペア:

[(1, 168340), (2, 84170), (4, 42085), (5, 33668), (10, 16834), (19, 8860), (20, 8417), (38, 4430), (76, 2215), (95, 1772), (190, 886), (380, 443)]