398422310

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{278617}}^1$

素因数の和:278648

約数の個数: 32

約数和(自身を含む): 842540832

約数和(自身を除く): 444118522

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 278617, 557234, 1393085, 2786170, 3064787, 3622021, 6129574, 7244042, 15323935, 18110105, 30647870, 36220210, 39842231, 79684462, 199211155, 398422310]

約数ペア:

[(1, 398422310), (2, 199211155), (5, 79684462), (10, 39842231), (11, 36220210), (13, 30647870), (22, 18110105), (26, 15323935), (55, 7244042), (65, 6129574), (110, 3622021), (130, 3064787), (143, 2786170), (286, 1393085), (715, 557234), (1430, 278617)]