200392280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{455437}}^1$

素因数の和:455459

約数の個数: 32

約数和(自身を含む): 491873040

約数和(自身を除く): 291480760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 455437, 910874, 1821748, 2277185, 3643496, 4554370, 5009807, 9108740, 10019614, 18217480, 20039228, 25049035, 40078456, 50098070, 100196140, 200392280]

約数ペア:

[(1, 200392280), (2, 100196140), (4, 50098070), (5, 40078456), (8, 25049035), (10, 20039228), (11, 18217480), (20, 10019614), (22, 9108740), (40, 5009807), (44, 4554370), (55, 3643496), (88, 2277185), (110, 1821748), (220, 910874), (440, 455437)]