836779660

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{769}}^1\times {\mathrm{1327}}^1$

素因数の和:2146

約数の個数: 48

約数和(自身を含む): 1803795840

約数和(自身を除く): 967016180

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 769, 820, 1327, 1538, 2654, 3076, 3845, 5308, 6635, 7690, 13270, 15380, 26540, 31529, 54407, 63058, 108814, 126116, 157645, 217628, 272035, 315290, 544070, 630580, 1020463, 1088140, 2040926, 4081852, 5102315, 10204630, 20409260, 41838983, 83677966, 167355932, 209194915, 418389830, 836779660]

約数ペア:

[(1, 836779660), (2, 418389830), (4, 209194915), (5, 167355932), (10, 83677966), (20, 41838983), (41, 20409260), (82, 10204630), (164, 5102315), (205, 4081852), (410, 2040926), (769, 1088140), (820, 1020463), (1327, 630580), (1538, 544070), (2654, 315290), (3076, 272035), (3845, 217628), (5308, 157645), (6635, 126116), (7690, 108814), (13270, 63058), (15380, 54407), (26540, 31529)]