290556

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{1153}}^1$

素因数の和:1170

約数の個数: 36

約数和(自身を含む): 840112

約数和(自身を除く): 549556

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 1153, 2306, 3459, 4612, 6918, 8071, 10377, 13836, 16142, 20754, 24213, 32284, 41508, 48426, 72639, 96852, 145278, 290556]

約数ペア:

[(1, 290556), (2, 145278), (3, 96852), (4, 72639), (6, 48426), (7, 41508), (9, 32284), (12, 24213), (14, 20754), (18, 16142), (21, 13836), (28, 10377), (36, 8071), (42, 6918), (63, 4612), (84, 3459), (126, 2306), (252, 1153)]