4997020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{5099}}^1$

素因数の和:5122

約数の個数: 36

約数和(自身を含む): 12209400

約数和(自身を除く): 7212380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 5099, 10198, 20396, 25495, 35693, 50990, 71386, 101980, 142772, 178465, 249851, 356930, 499702, 713860, 999404, 1249255, 2498510, 4997020]

約数ペア:

[(1, 4997020), (2, 2498510), (4, 1249255), (5, 999404), (7, 713860), (10, 499702), (14, 356930), (20, 249851), (28, 178465), (35, 142772), (49, 101980), (70, 71386), (98, 50990), (140, 35693), (196, 25495), (245, 20396), (490, 10198), (980, 5099)]