123522980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{2837}}^1$

素因数の和:3164

約数の個数: 48

約数和(自身を含む): 297513216

約数和(自身を除く): 173990236

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 311, 622, 1244, 1555, 2177, 2837, 3110, 4354, 5674, 6220, 8708, 10885, 11348, 14185, 19859, 21770, 28370, 39718, 43540, 56740, 79436, 99295, 198590, 397180, 882307, 1764614, 3529228, 4411535, 6176149, 8823070, 12352298, 17646140, 24704596, 30880745, 61761490, 123522980]

約数ペア:

[(1, 123522980), (2, 61761490), (4, 30880745), (5, 24704596), (7, 17646140), (10, 12352298), (14, 8823070), (20, 6176149), (28, 4411535), (35, 3529228), (70, 1764614), (140, 882307), (311, 397180), (622, 198590), (1244, 99295), (1555, 79436), (2177, 56740), (2837, 43540), (3110, 39718), (4354, 28370), (5674, 21770), (6220, 19859), (8708, 14185), (10885, 11348)]