191800540

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{68993}}^1$

素因数の和:69141

約数の個数: 24

約数和(自身を含む): 405684720

約数和(自身を除く): 213884180

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 68993, 137986, 275972, 344965, 689930, 1379860, 9590027, 19180054, 38360108, 47950135, 95900270, 191800540]

約数ペア:

[(1, 191800540), (2, 95900270), (4, 47950135), (5, 38360108), (10, 19180054), (20, 9590027), (139, 1379860), (278, 689930), (556, 344965), (695, 275972), (1390, 137986), (2780, 68993)]