79747180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{209861}}^1$

素因数の和:209889

約数の個数: 24

約数和(自身を含む): 176284080

約数和(自身を除く): 96536900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 209861, 419722, 839444, 1049305, 2098610, 3987359, 4197220, 7974718, 15949436, 19936795, 39873590, 79747180]

約数ペア:

[(1, 79747180), (2, 39873590), (4, 19936795), (5, 15949436), (10, 7974718), (19, 4197220), (20, 3987359), (38, 2098610), (76, 1049305), (95, 839444), (190, 419722), (380, 209861)]