291938990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{219503}}^1$

素因数の和:219536

約数の個数: 32

約数和(自身を含む): 632171520

約数和(自身を除く): 340232530

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 219503, 439006, 1097515, 1536521, 2195030, 3073042, 4170557, 7682605, 8341114, 15365210, 20852785, 29193899, 41705570, 58387798, 145969495, 291938990]

約数ペア:

[(1, 291938990), (2, 145969495), (5, 58387798), (7, 41705570), (10, 29193899), (14, 20852785), (19, 15365210), (35, 8341114), (38, 7682605), (70, 4170557), (95, 3073042), (133, 2195030), (190, 1536521), (266, 1097515), (665, 439006), (1330, 219503)]