194518840

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{11551}}^1$

素因数の和:11983

約数の個数: 32

約数和(自身を含む): 438744960

約数和(自身を除く): 244226120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 842, 1684, 2105, 3368, 4210, 8420, 11551, 16840, 23102, 46204, 57755, 92408, 115510, 231020, 462040, 4862971, 9725942, 19451884, 24314855, 38903768, 48629710, 97259420, 194518840]

約数ペア:

[(1, 194518840), (2, 97259420), (4, 48629710), (5, 38903768), (8, 24314855), (10, 19451884), (20, 9725942), (40, 4862971), (421, 462040), (842, 231020), (1684, 115510), (2105, 92408), (3368, 57755), (4210, 46204), (8420, 23102), (11551, 16840)]