221446180

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{41161}}^1$

素因数の和:41439

約数の個数: 24

約数和(自身を含む): 466777080

約数和(自身を除く): 245330900

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 1076, 1345, 2690, 5380, 41161, 82322, 164644, 205805, 411610, 823220, 11072309, 22144618, 44289236, 55361545, 110723090, 221446180]

約数ペア:

[(1, 221446180), (2, 110723090), (4, 55361545), (5, 44289236), (10, 22144618), (20, 11072309), (269, 823220), (538, 411610), (1076, 205805), (1345, 164644), (2690, 82322), (5380, 41161)]