620171780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1632031}}^1$

素因数の和:1632059

約数の個数: 24

約数和(自身を含む): 1370906880

約数和(自身を除く): 750735100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1632031, 3264062, 6528124, 8160155, 16320310, 31008589, 32640620, 62017178, 124034356, 155042945, 310085890, 620171780]

約数ペア:

[(1, 620171780), (2, 310085890), (4, 155042945), (5, 124034356), (10, 62017178), (19, 32640620), (20, 31008589), (38, 16320310), (76, 8160155), (95, 6528124), (190, 3264062), (380, 1632031)]