1207720

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{277}}^1$

素因数の和:397

約数の個数: 32

約数和(自身を含む): 2752200

約数和(自身を除く): 1544480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 277, 436, 545, 554, 872, 1090, 1108, 1385, 2180, 2216, 2770, 4360, 5540, 11080, 30193, 60386, 120772, 150965, 241544, 301930, 603860, 1207720]

約数ペア:

[(1, 1207720), (2, 603860), (4, 301930), (5, 241544), (8, 150965), (10, 120772), (20, 60386), (40, 30193), (109, 11080), (218, 5540), (277, 4360), (436, 2770), (545, 2216), (554, 2180), (872, 1385), (1090, 1108)]