1679980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4421}}^1$

素因数の和:4449

約数の個数: 24

約数和(自身を含む): 3714480

約数和(自身を除く): 2034500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 4421, 8842, 17684, 22105, 44210, 83999, 88420, 167998, 335996, 419995, 839990, 1679980]

約数ペア:

[(1, 1679980), (2, 839990), (4, 419995), (5, 335996), (10, 167998), (19, 88420), (20, 83999), (38, 44210), (76, 22105), (95, 17684), (190, 8842), (380, 4421)]