788275420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{19387}}^1$

素因数の和:19522

約数の個数: 48

約数和(自身を含む): 1758879360

約数和(自身を除く): 970603940

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 107, 190, 214, 380, 428, 535, 1070, 2033, 2140, 4066, 8132, 10165, 19387, 20330, 38774, 40660, 77548, 96935, 193870, 368353, 387740, 736706, 1473412, 1841765, 2074409, 3683530, 4148818, 7367060, 8297636, 10372045, 20744090, 39413771, 41488180, 78827542, 157655084, 197068855, 394137710, 788275420]

約数ペア:

[(1, 788275420), (2, 394137710), (4, 197068855), (5, 157655084), (10, 78827542), (19, 41488180), (20, 39413771), (38, 20744090), (76, 10372045), (95, 8297636), (107, 7367060), (190, 4148818), (214, 3683530), (380, 2074409), (428, 1841765), (535, 1473412), (1070, 736706), (2033, 387740), (2140, 368353), (4066, 193870), (8132, 96935), (10165, 77548), (19387, 40660), (20330, 38774)]