4017020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{4099}}^1$

素因数の和:4122

約数の個数: 36

約数和(自身を含む): 9815400

約数和(自身を除く): 5798380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 4099, 8198, 16396, 20495, 28693, 40990, 57386, 81980, 114772, 143465, 200851, 286930, 401702, 573860, 803404, 1004255, 2008510, 4017020]

約数ペア:

[(1, 4017020), (2, 2008510), (4, 1004255), (5, 803404), (7, 573860), (10, 401702), (14, 286930), (20, 200851), (28, 143465), (35, 114772), (49, 81980), (70, 57386), (98, 40990), (140, 28693), (196, 20495), (245, 16396), (490, 8198), (980, 4099)]