996820720

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{254291}}^1$

素因数の和:254318

約数の個数: 60

約数和(自身を含む): 2696003784

約数和(自身を除く): 1699183064

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 254291, 508582, 1017164, 1271455, 1780037, 2034328, 2542910, 3560074, 4068656, 5085820, 7120148, 8900185, 10171640, 12460259, 14240296, 17800370, 20343280, 24920518, 28480592, 35600740, 49841036, 62301295, 71201480, 99682072, 124602590, 142402960, 199364144, 249205180, 498410360, 996820720]

約数ペア:

[(1, 996820720), (2, 498410360), (4, 249205180), (5, 199364144), (7, 142402960), (8, 124602590), (10, 99682072), (14, 71201480), (16, 62301295), (20, 49841036), (28, 35600740), (35, 28480592), (40, 24920518), (49, 20343280), (56, 17800370), (70, 14240296), (80, 12460259), (98, 10171640), (112, 8900185), (140, 7120148), (196, 5085820), (245, 4068656), (280, 3560074), (392, 2542910), (490, 2034328), (560, 1780037), (784, 1271455), (980, 1017164), (1960, 508582), (3920, 254291)]