4227020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{277}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 10274880

約数和(自身を除く): 6047860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 277, 436, 545, 554, 763, 1090, 1108, 1385, 1526, 1939, 2180, 2770, 3052, 3815, 3878, 5540, 7630, 7756, 9695, 15260, 19390, 30193, 38780, 60386, 120772, 150965, 211351, 301930, 422702, 603860, 845404, 1056755, 2113510, 4227020]

約数ペア:

[(1, 4227020), (2, 2113510), (4, 1056755), (5, 845404), (7, 603860), (10, 422702), (14, 301930), (20, 211351), (28, 150965), (35, 120772), (70, 60386), (109, 38780), (140, 30193), (218, 19390), (277, 15260), (436, 9695), (545, 7756), (554, 7630), (763, 5540), (1090, 3878), (1108, 3815), (1385, 3052), (1526, 2770), (1939, 2180)]