1971740

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{317}}^1$

素因数の和:637

約数の個数: 24

約数和(自身を含む): 4167072

約数和(自身を除く): 2195332

約数列:

[1, 2, 4, 5, 10, 20, 311, 317, 622, 634, 1244, 1268, 1555, 1585, 3110, 3170, 6220, 6340, 98587, 197174, 394348, 492935, 985870, 1971740]

約数ペア:

[(1, 1971740), (2, 985870), (4, 492935), (5, 394348), (10, 197174), (20, 98587), (311, 6340), (317, 6220), (622, 3170), (634, 3110), (1244, 1585), (1268, 1555)]