202121570

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{412493}}^1$

素因数の和:412514

約数の個数: 24

約数和(自身を含む): 423218844

約数和(自身を除く): 221097274

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 412493, 824986, 2062465, 2887451, 4124930, 5774902, 14437255, 20212157, 28874510, 40424314, 101060785, 202121570]

約数ペア:

[(1, 202121570), (2, 101060785), (5, 40424314), (7, 28874510), (10, 20212157), (14, 14437255), (35, 5774902), (49, 4124930), (70, 2887451), (98, 2062465), (245, 824986), (490, 412493)]