680220140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1790053}}^1$

素因数の和:1790081

約数の個数: 24

約数和(自身を含む): 1503645360

約数和(自身を除く): 823425220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1790053, 3580106, 7160212, 8950265, 17900530, 34011007, 35801060, 68022014, 136044028, 170055035, 340110070, 680220140]

約数ペア:

[(1, 680220140), (2, 340110070), (4, 170055035), (5, 136044028), (10, 68022014), (19, 35801060), (20, 34011007), (38, 17900530), (76, 8950265), (95, 7160212), (190, 3580106), (380, 1790053)]