120778820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{317839}}^1$

素因数の和:317867

約数の個数: 24

約数和(自身を含む): 266985600

約数和(自身を除く): 146206780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 317839, 635678, 1271356, 1589195, 3178390, 6038941, 6356780, 12077882, 24155764, 30194705, 60389410, 120778820]

約数ペア:

[(1, 120778820), (2, 60389410), (4, 30194705), (5, 24155764), (10, 12077882), (19, 6356780), (20, 6038941), (38, 3178390), (76, 1589195), (95, 1271356), (190, 635678), (380, 317839)]