38964940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{278321}}^1$

素因数の和:278337

約数の個数: 24

約数和(自身を含む): 93516192

約数和(自身を除く): 54551252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 278321, 556642, 1113284, 1391605, 1948247, 2783210, 3896494, 5566420, 7792988, 9741235, 19482470, 38964940]

約数ペア:

[(1, 38964940), (2, 19482470), (4, 9741235), (5, 7792988), (7, 5566420), (10, 3896494), (14, 2783210), (20, 1948247), (28, 1391605), (35, 1113284), (70, 556642), (140, 278321)]