616940

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{283}}^1$

素因数の和:401

約数の個数: 24

約数和(自身を含む): 1312080

約数和(自身を除く): 695140

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 283, 436, 545, 566, 1090, 1132, 1415, 2180, 2830, 5660, 30847, 61694, 123388, 154235, 308470, 616940]

約数ペア:

[(1, 616940), (2, 308470), (4, 154235), (5, 123388), (10, 61694), (20, 30847), (109, 5660), (218, 2830), (283, 2180), (436, 1415), (545, 1132), (566, 1090)]