208078990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{5981}}^1$

素因数の和:6073

約数の個数: 48

約数和(自身を含む): 441902304

約数和(自身を除く): 233823314

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 71, 98, 142, 245, 355, 490, 497, 710, 994, 2485, 3479, 4970, 5981, 6958, 11962, 17395, 29905, 34790, 41867, 59810, 83734, 209335, 293069, 418670, 424651, 586138, 849302, 1465345, 2123255, 2930690, 2972557, 4246510, 5945114, 14862785, 20807899, 29725570, 41615798, 104039495, 208078990]

約数ペア:

[(1, 208078990), (2, 104039495), (5, 41615798), (7, 29725570), (10, 20807899), (14, 14862785), (35, 5945114), (49, 4246510), (70, 2972557), (71, 2930690), (98, 2123255), (142, 1465345), (245, 849302), (355, 586138), (490, 424651), (497, 418670), (710, 293069), (994, 209335), (2485, 83734), (3479, 59810), (4970, 41867), (5981, 34790), (6958, 29905), (11962, 17395)]