315080290

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{643021}}^1$

素因数の和:643042

約数の個数: 24

約数和(自身を含む): 659740572

約数和(自身を除く): 344660282

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 643021, 1286042, 3215105, 4501147, 6430210, 9002294, 22505735, 31508029, 45011470, 63016058, 157540145, 315080290]

約数ペア:

[(1, 315080290), (2, 157540145), (5, 63016058), (7, 45011470), (10, 31508029), (14, 22505735), (35, 9002294), (49, 6430210), (70, 4501147), (98, 3215105), (245, 1286042), (490, 643021)]