203400680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{726431}}^1$

素因数の和:726449

約数の個数: 32

約数和(自身を含む): 523031040

約数和(自身を除く): 319630360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 726431, 1452862, 2905724, 3632155, 5085017, 5811448, 7264310, 10170034, 14528620, 20340068, 25425085, 29057240, 40680136, 50850170, 101700340, 203400680]

約数ペア:

[(1, 203400680), (2, 101700340), (4, 50850170), (5, 40680136), (7, 29057240), (8, 25425085), (10, 20340068), (14, 14528620), (20, 10170034), (28, 7264310), (35, 5811448), (40, 5085017), (56, 3632155), (70, 2905724), (140, 1452862), (280, 726431)]