1975540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 4822272

約数和(自身を除く): 2846732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 137, 140, 206, 274, 412, 515, 548, 685, 721, 959, 1030, 1370, 1442, 1918, 2060, 2740, 2884, 3605, 3836, 4795, 7210, 9590, 14111, 14420, 19180, 28222, 56444, 70555, 98777, 141110, 197554, 282220, 395108, 493885, 987770, 1975540]

約数ペア:

[(1, 1975540), (2, 987770), (4, 493885), (5, 395108), (7, 282220), (10, 197554), (14, 141110), (20, 98777), (28, 70555), (35, 56444), (70, 28222), (103, 19180), (137, 14420), (140, 14111), (206, 9590), (274, 7210), (412, 4795), (515, 3836), (548, 3605), (685, 2884), (721, 2740), (959, 2060), (1030, 1918), (1370, 1442)]