223764980

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{80491}}^1$

素因数の和:80639

約数の個数: 24

約数和(自身を含む): 473292960

約数和(自身を除く): 249527980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 80491, 160982, 321964, 402455, 804910, 1609820, 11188249, 22376498, 44752996, 55941245, 111882490, 223764980]

約数ペア:

[(1, 223764980), (2, 111882490), (4, 55941245), (5, 44752996), (10, 22376498), (20, 11188249), (139, 1609820), (278, 804910), (556, 402455), (695, 321964), (1390, 160982), (2780, 80491)]