998889220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{7134923}}^1$

素因数の和:7134939

約数の個数: 24

約数和(自身を含む): 2397334464

約数和(自身を除く): 1398445244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 7134923, 14269846, 28539692, 35674615, 49944461, 71349230, 99888922, 142698460, 199777844, 249722305, 499444610, 998889220]

約数ペア:

[(1, 998889220), (2, 499444610), (4, 249722305), (5, 199777844), (7, 142698460), (10, 99888922), (14, 71349230), (20, 49944461), (28, 35674615), (35, 28539692), (70, 14269846), (140, 7134923)]