7649420

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{3943}}^1$

素因数の和:4049

約数の個数: 24

約数和(自身を含む): 16233504

約数和(自身を除く): 8584084

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 3943, 7886, 15772, 19715, 39430, 78860, 382471, 764942, 1529884, 1912355, 3824710, 7649420]

約数ペア:

[(1, 7649420), (2, 3824710), (4, 1912355), (5, 1529884), (10, 764942), (20, 382471), (97, 78860), (194, 39430), (388, 19715), (485, 15772), (970, 7886), (1940, 3943)]