208025140

素因数分解:

$2^2\times 5^1\times {\mathrm{743}}^1\times {\mathrm{13999}}^1$

素因数の和:14751

約数の個数: 24

約数和(自身を含む): 437472000

約数和(自身を除く): 229446860

約数列:

[1, 2, 4, 5, 10, 20, 743, 1486, 2972, 3715, 7430, 13999, 14860, 27998, 55996, 69995, 139990, 279980, 10401257, 20802514, 41605028, 52006285, 104012570, 208025140]

約数ペア:

[(1, 208025140), (2, 104012570), (4, 52006285), (5, 41605028), (10, 20802514), (20, 10401257), (743, 279980), (1486, 139990), (2972, 69995), (3715, 55996), (7430, 27998), (13999, 14860)]