355455220

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{139943}}^1$

素因数の和:140079

約数の個数: 24

約数和(自身を含む): 752338944

約数和(自身を除く): 396883724

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 139943, 279886, 559772, 699715, 1399430, 2798860, 17772761, 35545522, 71091044, 88863805, 177727610, 355455220]

約数ペア:

[(1, 355455220), (2, 177727610), (4, 88863805), (5, 71091044), (10, 35545522), (20, 17772761), (127, 2798860), (254, 1399430), (508, 699715), (635, 559772), (1270, 279886), (2540, 139943)]