87480680

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{44633}}^1$

素因数の和:44658

約数の個数: 48

約数和(自身を含む): 228972420

約数和(自身を除く): 141491740

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 44633, 89266, 178532, 223165, 312431, 357064, 446330, 624862, 892660, 1249724, 1562155, 1785320, 2187017, 2499448, 3124310, 4374034, 6248620, 8748068, 10935085, 12497240, 17496136, 21870170, 43740340, 87480680]

約数ペア:

[(1, 87480680), (2, 43740340), (4, 21870170), (5, 17496136), (7, 12497240), (8, 10935085), (10, 8748068), (14, 6248620), (20, 4374034), (28, 3124310), (35, 2499448), (40, 2187017), (49, 1785320), (56, 1562155), (70, 1249724), (98, 892660), (140, 624862), (196, 446330), (245, 357064), (280, 312431), (392, 223165), (490, 178532), (980, 89266), (1960, 44633)]