978017020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2573729}}^1$

素因数の和:2573757

約数の個数: 24

約数和(自身を含む): 2161933200

約数和(自身を除く): 1183916180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 2573729, 5147458, 10294916, 12868645, 25737290, 48900851, 51474580, 97801702, 195603404, 244504255, 489008510, 978017020]

約数ペア:

[(1, 978017020), (2, 489008510), (4, 244504255), (5, 195603404), (10, 97801702), (19, 51474580), (20, 48900851), (38, 25737290), (76, 12868645), (95, 10294916), (190, 5147458), (380, 2573729)]