219364180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{223841}}^1$

素因数の和:223864

約数の個数: 36

約数和(自身を含む): 535877748

約数和(自身を除く): 316513568

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 223841, 447682, 895364, 1119205, 1566887, 2238410, 3133774, 4476820, 6267548, 7834435, 10968209, 15668870, 21936418, 31337740, 43872836, 54841045, 109682090, 219364180]

約数ペア:

[(1, 219364180), (2, 109682090), (4, 54841045), (5, 43872836), (7, 31337740), (10, 21936418), (14, 15668870), (20, 10968209), (28, 7834435), (35, 6267548), (49, 4476820), (70, 3133774), (98, 2238410), (140, 1566887), (196, 1119205), (245, 895364), (490, 447682), (980, 223841)]