2492420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{937}}^1$

素因数の和:972

約数の個数: 48

約数和(自身を含む): 6303360

約数和(自身を除く): 3810940

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 937, 1330, 1874, 2660, 3748, 4685, 6559, 9370, 13118, 17803, 18740, 26236, 32795, 35606, 65590, 71212, 89015, 124621, 131180, 178030, 249242, 356060, 498484, 623105, 1246210, 2492420]

約数ペア:

[(1, 2492420), (2, 1246210), (4, 623105), (5, 498484), (7, 356060), (10, 249242), (14, 178030), (19, 131180), (20, 124621), (28, 89015), (35, 71212), (38, 65590), (70, 35606), (76, 32795), (95, 26236), (133, 18740), (140, 17803), (190, 13118), (266, 9370), (380, 6559), (532, 4685), (665, 3748), (937, 2660), (1330, 1874)]