240896540

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{110503}}^1$

素因数の和:110621

約数の個数: 24

約数和(自身を含む): 510528480

約数和(自身を除く): 269631940

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 110503, 221006, 442012, 552515, 1105030, 2210060, 12044827, 24089654, 48179308, 60224135, 120448270, 240896540]

約数ペア:

[(1, 240896540), (2, 120448270), (4, 60224135), (5, 48179308), (10, 24089654), (20, 12044827), (109, 2210060), (218, 1105030), (436, 552515), (545, 442012), (1090, 221006), (2180, 110503)]