166400540

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{1069}}^1$

素因数の和:1302

約数の個数: 48

約数和(自身を含む): 359879520

約数和(自身を除く): 193478980

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 181, 215, 362, 430, 724, 860, 905, 1069, 1810, 2138, 3620, 4276, 5345, 7783, 10690, 15566, 21380, 31132, 38915, 45967, 77830, 91934, 155660, 183868, 193489, 229835, 386978, 459670, 773956, 919340, 967445, 1934890, 3869780, 8320027, 16640054, 33280108, 41600135, 83200270, 166400540]

約数ペア:

[(1, 166400540), (2, 83200270), (4, 41600135), (5, 33280108), (10, 16640054), (20, 8320027), (43, 3869780), (86, 1934890), (172, 967445), (181, 919340), (215, 773956), (362, 459670), (430, 386978), (724, 229835), (860, 193489), (905, 183868), (1069, 155660), (1810, 91934), (2138, 77830), (3620, 45967), (4276, 38915), (5345, 31132), (7783, 21380), (10690, 15566)]