71452780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{72911}}^1$

素因数の和:72934

約数の個数: 36

約数和(自身を含む): 174551328

約数和(自身を除く): 103098548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 72911, 145822, 291644, 364555, 510377, 729110, 1020754, 1458220, 2041508, 2551885, 3572639, 5103770, 7145278, 10207540, 14290556, 17863195, 35726390, 71452780]

約数ペア:

[(1, 71452780), (2, 35726390), (4, 17863195), (5, 14290556), (7, 10207540), (10, 7145278), (14, 5103770), (20, 3572639), (28, 2551885), (35, 2041508), (49, 1458220), (70, 1020754), (98, 729110), (140, 510377), (196, 364555), (245, 291644), (490, 145822), (980, 72911)]