313633810

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{640069}}^1$

素因数の和:640090

約数の個数: 24

約数和(自身を含む): 656711820

約数和(自身を除く): 343078010

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 640069, 1280138, 3200345, 4480483, 6400690, 8960966, 22402415, 31363381, 44804830, 62726762, 156816905, 313633810]

約数ペア:

[(1, 313633810), (2, 156816905), (5, 62726762), (7, 44804830), (10, 31363381), (14, 22402415), (35, 8960966), (49, 6400690), (70, 4480483), (98, 3200345), (245, 1280138), (490, 640069)]