490356

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:320

約数の個数: 36

約数和(自身を含む): 1267812

約数和(自身を除く): 777456

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 159, 212, 257, 318, 477, 514, 636, 771, 954, 1028, 1542, 1908, 2313, 3084, 4626, 9252, 13621, 27242, 40863, 54484, 81726, 122589, 163452, 245178, 490356]

約数ペア:

[(1, 490356), (2, 245178), (3, 163452), (4, 122589), (6, 81726), (9, 54484), (12, 40863), (18, 27242), (36, 13621), (53, 9252), (106, 4626), (159, 3084), (212, 2313), (257, 1908), (318, 1542), (477, 1028), (514, 954), (636, 771)]