290469245

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{277961}}^1$

素因数の和:277996

約数の個数: 16

約数和(自身を含む): 400265280

約数和(自身を除く): 109796035

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 277961, 1389805, 3057571, 5281259, 15287855, 26406295, 58093849, 290469245]

約数ペア:

[(1, 290469245), (5, 58093849), (11, 26406295), (19, 15287855), (55, 5281259), (95, 3057571), (209, 1389805), (1045, 277961)]