12340405

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 19863360

約数和(自身を除く): 7522955

約数列:

[1, 5, 7, 11, 19, 35, 49, 55, 77, 95, 133, 209, 241, 245, 385, 539, 665, 931, 1045, 1205, 1463, 1687, 2651, 2695, 4579, 4655, 7315, 8435, 10241, 11809, 13255, 18557, 22895, 32053, 50369, 51205, 59045, 92785, 129899, 160265, 224371, 251845, 352583, 649495, 1121855, 1762915, 2468081, 12340405]

約数ペア:

[(1, 12340405), (5, 2468081), (7, 1762915), (11, 1121855), (19, 649495), (35, 352583), (49, 251845), (55, 224371), (77, 160265), (95, 129899), (133, 92785), (209, 59045), (241, 51205), (245, 50369), (385, 32053), (539, 22895), (665, 18557), (931, 13255), (1045, 11809), (1205, 10241), (1463, 8435), (1687, 7315), (2651, 4655), (2695, 4579)]