849605140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2235803}}^1$

素因数の和:2235831

約数の個数: 24

約数和(自身を含む): 1878075360

約数和(自身を除く): 1028470220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 2235803, 4471606, 8943212, 11179015, 22358030, 42480257, 44716060, 84960514, 169921028, 212401285, 424802570, 849605140]

約数ペア:

[(1, 849605140), (2, 424802570), (4, 212401285), (5, 169921028), (10, 84960514), (19, 44716060), (20, 42480257), (38, 22358030), (76, 11179015), (95, 8943212), (190, 4471606), (380, 2235803)]