161920370

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{4231}}^1$

素因数の和:4370

約数の個数: 32

約数和(自身を含む): 301656960

約数和(自身を除く): 139736590

約数列:

[1, 2, 5, 10, 43, 86, 89, 178, 215, 430, 445, 890, 3827, 4231, 7654, 8462, 19135, 21155, 38270, 42310, 181933, 363866, 376559, 753118, 909665, 1819330, 1882795, 3765590, 16192037, 32384074, 80960185, 161920370]

約数ペア:

[(1, 161920370), (2, 80960185), (5, 32384074), (10, 16192037), (43, 3765590), (86, 1882795), (89, 1819330), (178, 909665), (215, 753118), (430, 376559), (445, 363866), (890, 181933), (3827, 42310), (4231, 38270), (7654, 21155), (8462, 19135)]