780220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{5573}}^1$

素因数の和:5589

約数の個数: 24

約数和(自身を含む): 1872864

約数和(自身を除く): 1092644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 5573, 11146, 22292, 27865, 39011, 55730, 78022, 111460, 156044, 195055, 390110, 780220]

約数ペア:

[(1, 780220), (2, 390110), (4, 195055), (5, 156044), (7, 111460), (10, 78022), (14, 55730), (20, 39011), (28, 27865), (35, 22292), (70, 11146), (140, 5573)]