2898889700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{809}}^1\times {\mathrm{5119}}^1$

素因数の和:5949

約数の個数: 72

約数和(自身を含む): 7199539200

約数和(自身を除く): 4300649500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 809, 1618, 3236, 4045, 5119, 5663, 8090, 10238, 11326, 16180, 20225, 20476, 22652, 25595, 28315, 35833, 40450, 51190, 56630, 71666, 80900, 102380, 113260, 127975, 141575, 143332, 179165, 255950, 283150, 358330, 511900, 566300, 716660, 895825, 1791650, 3583300, 4141271, 8282542, 16565084, 20706355, 28988897, 41412710, 57977794, 82825420, 103531775, 115955588, 144944485, 207063550, 289888970, 414127100, 579777940, 724722425, 1449444850, 2898889700]

約数ペア:

[(1, 2898889700), (2, 1449444850), (4, 724722425), (5, 579777940), (7, 414127100), (10, 289888970), (14, 207063550), (20, 144944485), (25, 115955588), (28, 103531775), (35, 82825420), (50, 57977794), (70, 41412710), (100, 28988897), (140, 20706355), (175, 16565084), (350, 8282542), (700, 4141271), (809, 3583300), (1618, 1791650), (3236, 895825), (4045, 716660), (5119, 566300), (5663, 511900), (8090, 358330), (10238, 283150), (11326, 255950), (16180, 179165), (20225, 143332), (20476, 141575), (22652, 127975), (25595, 113260), (28315, 102380), (35833, 80900), (40450, 71666), (51190, 56630)]