210004900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{300007}}^1$

素因数の和:300028

約数の個数: 36

約数和(自身を含む): 520813888

約数和(自身を除く): 310808988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 300007, 600014, 1200028, 1500035, 2100049, 3000070, 4200098, 6000140, 7500175, 8400196, 10500245, 15000350, 21000490, 30000700, 42000980, 52501225, 105002450, 210004900]

約数ペア:

[(1, 210004900), (2, 105002450), (4, 52501225), (5, 42000980), (7, 30000700), (10, 21000490), (14, 15000350), (20, 10500245), (25, 8400196), (28, 7500175), (35, 6000140), (50, 4200098), (70, 3000070), (100, 2100049), (140, 1500035), (175, 1200028), (350, 600014), (700, 300007)]