204755810

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{417869}}^1$

素因数の和:417890

約数の個数: 24

約数和(自身を含む): 428734620

約数和(自身を除く): 223978810

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 417869, 835738, 2089345, 2925083, 4178690, 5850166, 14625415, 20475581, 29250830, 40951162, 102377905, 204755810]

約数ペア:

[(1, 204755810), (2, 102377905), (5, 40951162), (7, 29250830), (10, 20475581), (14, 14625415), (35, 5850166), (49, 4178690), (70, 2925083), (98, 2089345), (245, 835738), (490, 417869)]