8298920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{277}}^1$

素因数の和:402

約数の個数: 64

約数和(自身を含む): 21617280

約数和(自身を除く): 13318360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 107, 140, 214, 277, 280, 428, 535, 554, 749, 856, 1070, 1108, 1385, 1498, 1939, 2140, 2216, 2770, 2996, 3745, 3878, 4280, 5540, 5992, 7490, 7756, 9695, 11080, 14980, 15512, 19390, 29639, 29960, 38780, 59278, 77560, 118556, 148195, 207473, 237112, 296390, 414946, 592780, 829892, 1037365, 1185560, 1659784, 2074730, 4149460, 8298920]

約数ペア:

[(1, 8298920), (2, 4149460), (4, 2074730), (5, 1659784), (7, 1185560), (8, 1037365), (10, 829892), (14, 592780), (20, 414946), (28, 296390), (35, 237112), (40, 207473), (56, 148195), (70, 118556), (107, 77560), (140, 59278), (214, 38780), (277, 29960), (280, 29639), (428, 19390), (535, 15512), (554, 14980), (749, 11080), (856, 9695), (1070, 7756), (1108, 7490), (1385, 5992), (1498, 5540), (1939, 4280), (2140, 3878), (2216, 3745), (2770, 2996)]