285316420

素因数分解:

$2^2\times 5^1\times {\mathrm{683}}^1\times {\mathrm{20887}}^1$

素因数の和:21579

約数の個数: 24

約数和(自身を含む): 600070464

約数和(自身を除く): 314754044

約数列:

[1, 2, 4, 5, 10, 20, 683, 1366, 2732, 3415, 6830, 13660, 20887, 41774, 83548, 104435, 208870, 417740, 14265821, 28531642, 57063284, 71329105, 142658210, 285316420]

約数ペア:

[(1, 285316420), (2, 142658210), (4, 71329105), (5, 57063284), (10, 28531642), (20, 14265821), (683, 417740), (1366, 208870), (2732, 104435), (3415, 83548), (6830, 41774), (13660, 20887)]