278014730

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{567377}}^1$

素因数の和:567398

約数の個数: 24

約数和(自身を含む): 582129828

約数和(自身を除く): 304115098

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 567377, 1134754, 2836885, 3971639, 5673770, 7943278, 19858195, 27801473, 39716390, 55602946, 139007365, 278014730]

約数ペア:

[(1, 278014730), (2, 139007365), (5, 55602946), (7, 39716390), (10, 27801473), (14, 19858195), (35, 7943278), (49, 5673770), (70, 3971639), (98, 2836885), (245, 1134754), (490, 567377)]