2057020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{2099}}^1$

素因数の和:2122

約数の個数: 36

約数和(自身を含む): 5027400

約数和(自身を除く): 2970380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 2099, 4198, 8396, 10495, 14693, 20990, 29386, 41980, 58772, 73465, 102851, 146930, 205702, 293860, 411404, 514255, 1028510, 2057020]

約数ペア:

[(1, 2057020), (2, 1028510), (4, 514255), (5, 411404), (7, 293860), (10, 205702), (14, 146930), (20, 102851), (28, 73465), (35, 58772), (49, 41980), (70, 29386), (98, 20990), (140, 14693), (196, 10495), (245, 8396), (490, 4198), (980, 2099)]