218739220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1562423}}^1$

素因数の和:1562439

約数の個数: 24

約数和(自身を含む): 524974464

約数和(自身を除く): 306235244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1562423, 3124846, 6249692, 7812115, 10936961, 15624230, 21873922, 31248460, 43747844, 54684805, 109369610, 218739220]

約数ペア:

[(1, 218739220), (2, 109369610), (4, 54684805), (5, 43747844), (7, 31248460), (10, 21873922), (14, 15624230), (20, 10936961), (28, 7812115), (35, 6249692), (70, 3124846), (140, 1562423)]