8454040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{277}}^1$

素因数の和:404

約数の個数: 64

約数和(自身を含む): 22017600

約数和(自身を除く): 13563560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 109, 140, 218, 277, 280, 436, 545, 554, 763, 872, 1090, 1108, 1385, 1526, 1939, 2180, 2216, 2770, 3052, 3815, 3878, 4360, 5540, 6104, 7630, 7756, 9695, 11080, 15260, 15512, 19390, 30193, 30520, 38780, 60386, 77560, 120772, 150965, 211351, 241544, 301930, 422702, 603860, 845404, 1056755, 1207720, 1690808, 2113510, 4227020, 8454040]

約数ペア:

[(1, 8454040), (2, 4227020), (4, 2113510), (5, 1690808), (7, 1207720), (8, 1056755), (10, 845404), (14, 603860), (20, 422702), (28, 301930), (35, 241544), (40, 211351), (56, 150965), (70, 120772), (109, 77560), (140, 60386), (218, 38780), (277, 30520), (280, 30193), (436, 19390), (545, 15512), (554, 15260), (763, 11080), (872, 9695), (1090, 7756), (1108, 7630), (1385, 6104), (1526, 5540), (1939, 4360), (2180, 3878), (2216, 3815), (2770, 3052)]