208760752

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{347}}^1\times {\mathrm{1979}}^1$

素因数の和:2353

約数の個数: 40

約数和(自身を含む): 427204800

約数和(自身を除く): 218444048

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 347, 694, 1388, 1979, 2776, 3958, 5552, 6593, 7916, 13186, 15832, 26372, 31664, 37601, 52744, 75202, 105488, 150404, 300808, 601616, 686713, 1373426, 2746852, 5493704, 10987408, 13047547, 26095094, 52190188, 104380376, 208760752]

約数ペア:

[(1, 208760752), (2, 104380376), (4, 52190188), (8, 26095094), (16, 13047547), (19, 10987408), (38, 5493704), (76, 2746852), (152, 1373426), (304, 686713), (347, 601616), (694, 300808), (1388, 150404), (1979, 105488), (2776, 75202), (3958, 52744), (5552, 37601), (6593, 31664), (7916, 26372), (13186, 15832)]