290469055

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{4861}}^1$

素因数の和:4939

約数の個数: 32

約数和(自身を含む): 399072960

約数和(自身を除く): 108603905

約数列:

[1, 5, 17, 19, 37, 85, 95, 185, 323, 629, 703, 1615, 3145, 3515, 4861, 11951, 24305, 59755, 82637, 92359, 179857, 413185, 461795, 899285, 1570103, 3057569, 3417283, 7850515, 15287845, 17086415, 58093811, 290469055]

約数ペア:

[(1, 290469055), (5, 58093811), (17, 17086415), (19, 15287845), (37, 7850515), (85, 3417283), (95, 3057569), (185, 1570103), (323, 899285), (629, 461795), (703, 413185), (1615, 179857), (3145, 92359), (3515, 82637), (4861, 59755), (11951, 24305)]